Search criteria
42 vulnerabilities found for gcc by gnu
FKIE_CVE-2023-4039
Vulnerability from fkie_nvd - Published: 2023-09-13 09:15 - Updated: 2025-02-13 17:17
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
**DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains
that target AArch64 allows an attacker to exploit an existing buffer
overflow in dynamically-sized local variables in your application
without this being detected. This stack-protector failure only applies
to C99-style dynamically-sized local variables or those created using
alloca(). The stack-protector operates as intended for statically-sized
local variables.
The default behavior when the stack-protector
detects an overflow is to terminate your application, resulting in
controlled loss of availability. An attacker who can exploit a buffer
overflow without triggering the stack-protector might be able to change
program flow control to cause an uncontrolled loss of availability or to
go further and affect confidentiality or integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by itself.
References
| URL | Tags | ||
|---|---|---|---|
| arm-security@arm.com | https://developer.arm.com/Arm%20Security%20Center/GCC%20Stack%20Protector%20Vulnerability%20AArch64 | Exploit, Patch, Third Party Advisory | |
| arm-security@arm.com | https://github.com/metaredteam/external-disclosures/security/advisories/GHSA-x7ch-h5rf-w2mf | Exploit, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://developer.arm.com/Arm%20Security%20Center/GCC%20Stack%20Protector%20Vulnerability%20AArch64 | Exploit, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/metaredteam/external-disclosures/security/advisories/GHSA-x7ch-h5rf-w2mf | Exploit, Patch, Third Party Advisory |
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FKIE_CVE-2021-3826
Vulnerability from fkie_nvd - Published: 2022-09-01 21:15 - Updated: 2024-11-21 06:22
Severity ?
Summary
Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| gnu | gcc | 11.2 | |
| fedoraproject | fedora | 35 | |
| fedoraproject | fedora | 36 | |
| fedoraproject | fedora | 37 |
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FKIE_CVE-2022-27943
Vulnerability from fkie_nvd - Published: 2022-03-26 13:15 - Updated: 2024-11-21 06:56
Severity ?
Summary
libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039 | Exploit, Issue Tracking, Vendor Advisory | |
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/ | ||
| cve@mitre.org | https://sourceware.org/bugzilla/show_bug.cgi?id=28995 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039 | Exploit, Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://sourceware.org/bugzilla/show_bug.cgi?id=28995 | Exploit, Issue Tracking, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| gnu | gcc | 11.2 | |
| fedoraproject | fedora | 36 |
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FKIE_CVE-2021-46195
Vulnerability from fkie_nvd - Published: 2022-01-14 20:15 - Updated: 2024-11-21 06:33
Severity ?
Summary
GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103841 | Exploit, Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103841 | Exploit, Issue Tracking, Vendor Advisory |
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FKIE_CVE-2021-37322
Vulnerability from fkie_nvd - Published: 2021-11-18 22:15 - Updated: 2024-11-21 06:14
Severity ?
Summary
GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99188 | Exploit, Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99188 | Exploit, Issue Tracking, Vendor Advisory |
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FKIE_CVE-2002-2439
Vulnerability from fkie_nvd - Published: 2019-10-23 18:15 - Updated: 2024-11-20 23:43
Severity ?
Summary
Integer overflow in the new[] operator in gcc before 4.8.0 allows attackers to have unspecified impacts.
References
| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | https://access.redhat.com/security/cve/cve-2002-2439 | Third Party Advisory | |
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| secalert@redhat.com | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19351 | Exploit, Issue Tracking, Patch, Vendor Advisory | |
| secalert@redhat.com | https://security-tracker.debian.org/tracker/CVE-2002-2439 | Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/security/cve/cve-2002-2439 | Third Party Advisory | |
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| af854a3a-2127-422b-91ae-364da2661108 | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19351 | Exploit, Issue Tracking, Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://security-tracker.debian.org/tracker/CVE-2002-2439 | Issue Tracking, Third Party Advisory |
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FKIE_CVE-2019-15847
Vulnerability from fkie_nvd - Published: 2019-09-02 23:15 - Updated: 2024-11-21 04:29
Severity ?
Summary
The POWER9 backend in GNU Compiler Collection (GCC) before version 10 could optimize multiple calls of the __builtin_darn intrinsic into a single call, thus reducing the entropy of the random number generator. This occurred because a volatile operation was not specified. For example, within a single execution of a program, the output of every __builtin_darn() call may be the same.
References
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FKIE_CVE-2018-12886
Vulnerability from fkie_nvd - Published: 2019-05-22 19:29 - Updated: 2024-11-21 03:46
Severity ?
Summary
stack_protect_prologue in cfgexpand.c and stack_protect_epilogue in function.c in GNU Compiler Collection (GCC) 4.1 through 8 (under certain circumstances) generate instruction sequences when targeting ARM targets that spill the address of the stack protector guard, which allows an attacker to bypass the protection of -fstack-protector, -fstack-protector-all, -fstack-protector-strong, and -fstack-protector-explicit against stack overflow by controlling what the stack canary is compared against.
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FKIE_CVE-2017-11671
Vulnerability from fkie_nvd - Published: 2017-07-26 21:29 - Updated: 2025-04-20 01:37
Severity ?
Summary
Under certain circumstances, the ix86_expand_builtin function in i386.c in GNU Compiler Collection (GCC) version 4.6, 4.7, 4.8, 4.9, 5 before 5.5, and 6 before 6.4 will generate instruction sequences that clobber the status flag of the RDRAND and RDSEED intrinsics before it can be read, potentially causing failures of these instructions to go unreported. This could potentially lead to less randomness in random number generation.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://openwall.com/lists/oss-security/2017/07/27/2 | Mailing List, Third Party Advisory | |
| cve@mitre.org | http://www.securityfocus.com/bid/100018 | Third Party Advisory, VDB Entry | |
| cve@mitre.org | https://access.redhat.com/errata/RHSA-2018:0849 | ||
| cve@mitre.org | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80180 | Issue Tracking, Vendor Advisory | |
| cve@mitre.org | https://gcc.gnu.org/ml/gcc-patches/2017-03/msg01349.html | Mailing List | |
| af854a3a-2127-422b-91ae-364da2661108 | http://openwall.com/lists/oss-security/2017/07/27/2 | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/100018 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/errata/RHSA-2018:0849 | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80180 | Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gcc.gnu.org/ml/gcc-patches/2017-03/msg01349.html | Mailing List |
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FKIE_CVE-2015-5276
Vulnerability from fkie_nvd - Published: 2015-11-17 15:59 - Updated: 2025-04-12 10:46
Severity ?
Summary
The std::random_device class in libstdc++ in the GNU Compiler Collection (aka GCC) before 4.9.4 does not properly handle short reads from blocking sources, which makes it easier for context-dependent attackers to predict the random values via unspecified vectors.
References
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CVE-2023-4039 (GCVE-0-2023-4039)
Vulnerability from cvelistv5 – Published: 2023-09-13 08:05 – Updated: 2025-02-13 17:07
VLAI?
Summary
**DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains
that target AArch64 allows an attacker to exploit an existing buffer
overflow in dynamically-sized local variables in your application
without this being detected. This stack-protector failure only applies
to C99-style dynamically-sized local variables or those created using
alloca(). The stack-protector operates as intended for statically-sized
local variables.
The default behavior when the stack-protector
detects an overflow is to terminate your application, resulting in
controlled loss of availability. An attacker who can exploit a buffer
overflow without triggering the stack-protector might be able to change
program flow control to cause an uncontrolled loss of availability or to
go further and affect confidentiality or integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by itself.
Severity ?
4.8 (Medium)
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Arm Ltd | Arm GNU Toolchain |
Affected:
All versions where option -fstack-protector is used
|
||
Credits
Tom Hebb from Meta Red Team X and Maria Markstedter from Azeria Labs
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CVE-2021-3826 (GCVE-0-2021-3826)
Vulnerability from cvelistv5 – Published: 2022-09-01 00:00 – Updated: 2024-08-03 17:09
VLAI?
Summary
Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | |
|---|---|---|
|
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CVE-2022-27943 (GCVE-0-2022-27943)
Vulnerability from cvelistv5 – Published: 2022-03-26 00:00 – Updated: 2024-08-03 05:41
VLAI?
Summary
libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-46195 (GCVE-0-2021-46195)
Vulnerability from cvelistv5 – Published: 2022-01-14 19:16 – Updated: 2024-08-04 05:02
VLAI?
Summary
GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2021-37322 (GCVE-0-2021-37322)
Vulnerability from cvelistv5 – Published: 2021-11-18 21:11 – Updated: 2024-08-04 01:16
VLAI?
Summary
GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
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CVE-2002-2439 (GCVE-0-2002-2439)
Vulnerability from cvelistv5 – Published: 2019-10-23 17:47 – Updated: 2024-08-08 04:06
VLAI?
Summary
Integer overflow in the new[] operator in gcc before 4.8.0 allows attackers to have unspecified impacts.
Severity ?
No CVSS data available.
CWE
- Integer Overflow
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2019-15847 (GCVE-0-2019-15847)
Vulnerability from cvelistv5 – Published: 2019-09-02 22:03 – Updated: 2024-08-05 01:03
VLAI?
Summary
The POWER9 backend in GNU Compiler Collection (GCC) before version 10 could optimize multiple calls of the __builtin_darn intrinsic into a single call, thus reducing the entropy of the random number generator. This occurred because a volatile operation was not specified. For example, within a single execution of a program, the output of every __builtin_darn() call may be the same.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2018-12886 (GCVE-0-2018-12886)
Vulnerability from cvelistv5 – Published: 2019-05-22 18:42 – Updated: 2024-08-05 08:45
VLAI?
Summary
stack_protect_prologue in cfgexpand.c and stack_protect_epilogue in function.c in GNU Compiler Collection (GCC) 4.1 through 8 (under certain circumstances) generate instruction sequences when targeting ARM targets that spill the address of the stack protector guard, which allows an attacker to bypass the protection of -fstack-protector, -fstack-protector-all, -fstack-protector-strong, and -fstack-protector-explicit against stack overflow by controlling what the stack canary is compared against.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2017-11671 (GCVE-0-2017-11671)
Vulnerability from cvelistv5 – Published: 2017-07-26 21:00 – Updated: 2024-08-05 18:12
VLAI?
Summary
Under certain circumstances, the ix86_expand_builtin function in i386.c in GNU Compiler Collection (GCC) version 4.6, 4.7, 4.8, 4.9, 5 before 5.5, and 6 before 6.4 will generate instruction sequences that clobber the status flag of the RDRAND and RDSEED intrinsics before it can be read, potentially causing failures of these instructions to go unreported. This could potentially lead to less randomness in random number generation.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2015-5276 (GCVE-0-2015-5276)
Vulnerability from cvelistv5 – Published: 2015-11-17 15:00 – Updated: 2024-08-06 06:41
VLAI?
Summary
The std::random_device class in libstdc++ in the GNU Compiler Collection (aka GCC) before 4.9.4 does not properly handle short reads from blocking sources, which makes it easier for context-dependent attackers to predict the random values via unspecified vectors.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2023-4039 (GCVE-0-2023-4039)
Vulnerability from nvd – Published: 2023-09-13 08:05 – Updated: 2025-02-13 17:07
VLAI?
Summary
**DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains
that target AArch64 allows an attacker to exploit an existing buffer
overflow in dynamically-sized local variables in your application
without this being detected. This stack-protector failure only applies
to C99-style dynamically-sized local variables or those created using
alloca(). The stack-protector operates as intended for statically-sized
local variables.
The default behavior when the stack-protector
detects an overflow is to terminate your application, resulting in
controlled loss of availability. An attacker who can exploit a buffer
overflow without triggering the stack-protector might be able to change
program flow control to cause an uncontrolled loss of availability or to
go further and affect confidentiality or integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by itself.
Severity ?
4.8 (Medium)
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Arm Ltd | Arm GNU Toolchain |
Affected:
All versions where option -fstack-protector is used
|
||
Credits
Tom Hebb from Meta Red Team X and Maria Markstedter from Azeria Labs
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CVE-2021-3826 (GCVE-0-2021-3826)
Vulnerability from nvd – Published: 2022-09-01 00:00 – Updated: 2024-08-03 17:09
VLAI?
Summary
Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | |
|---|---|---|
|
|
||
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CVE-2022-27943 (GCVE-0-2022-27943)
Vulnerability from nvd – Published: 2022-03-26 00:00 – Updated: 2024-08-03 05:41
VLAI?
Summary
libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-46195 (GCVE-0-2021-46195)
Vulnerability from nvd – Published: 2022-01-14 19:16 – Updated: 2024-08-04 05:02
VLAI?
Summary
GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
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CVE-2021-37322 (GCVE-0-2021-37322)
Vulnerability from nvd – Published: 2021-11-18 21:11 – Updated: 2024-08-04 01:16
VLAI?
Summary
GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2002-2439 (GCVE-0-2002-2439)
Vulnerability from nvd – Published: 2019-10-23 17:47 – Updated: 2024-08-08 04:06
VLAI?
Summary
Integer overflow in the new[] operator in gcc before 4.8.0 allows attackers to have unspecified impacts.
Severity ?
No CVSS data available.
CWE
- Integer Overflow
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-15847 (GCVE-0-2019-15847)
Vulnerability from nvd – Published: 2019-09-02 22:03 – Updated: 2024-08-05 01:03
VLAI?
Summary
The POWER9 backend in GNU Compiler Collection (GCC) before version 10 could optimize multiple calls of the __builtin_darn intrinsic into a single call, thus reducing the entropy of the random number generator. This occurred because a volatile operation was not specified. For example, within a single execution of a program, the output of every __builtin_darn() call may be the same.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2018-12886 (GCVE-0-2018-12886)
Vulnerability from nvd – Published: 2019-05-22 18:42 – Updated: 2024-08-05 08:45
VLAI?
Summary
stack_protect_prologue in cfgexpand.c and stack_protect_epilogue in function.c in GNU Compiler Collection (GCC) 4.1 through 8 (under certain circumstances) generate instruction sequences when targeting ARM targets that spill the address of the stack protector guard, which allows an attacker to bypass the protection of -fstack-protector, -fstack-protector-all, -fstack-protector-strong, and -fstack-protector-explicit against stack overflow by controlling what the stack canary is compared against.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2017-11671 (GCVE-0-2017-11671)
Vulnerability from nvd – Published: 2017-07-26 21:00 – Updated: 2024-08-05 18:12
VLAI?
Summary
Under certain circumstances, the ix86_expand_builtin function in i386.c in GNU Compiler Collection (GCC) version 4.6, 4.7, 4.8, 4.9, 5 before 5.5, and 6 before 6.4 will generate instruction sequences that clobber the status flag of the RDRAND and RDSEED intrinsics before it can be read, potentially causing failures of these instructions to go unreported. This could potentially lead to less randomness in random number generation.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2015-5276 (GCVE-0-2015-5276)
Vulnerability from nvd – Published: 2015-11-17 15:00 – Updated: 2024-08-06 06:41
VLAI?
Summary
The std::random_device class in libstdc++ in the GNU Compiler Collection (aka GCC) before 4.9.4 does not properly handle short reads from blocking sources, which makes it easier for context-dependent attackers to predict the random values via unspecified vectors.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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