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4 vulnerabilities by TPODER
CVE-2026-56015 (GCVE-0-2026-56015)
Vulnerability from nvd – Published: 2026-07-03 12:56 – Updated: 2026-07-06 18:36
VLAI
EPSS
VEX
Title
Net::IP::LPM versions through 1.10 for Perl allow a heap out-of-bounds read via an unbounded prefix length
Summary
Net::IP::LPM versions through 1.10 for Perl allow a heap out-of-bounds read via an unbounded prefix length.
add() passes the prefix string to the trie builder addPrefixToTrie() without checking it against the address width.
addPrefixToTrie() then walks the prefix buffer by prefix_length bits, reading prefix[byte] for byte up to prefix_len/8, where prefix is the 4-byte (IPv4) or 16-byte (IPv6) packed address. A prefix length greater than 32 for IPv4 or 128 for IPv6, for example add("1.2.3.4/255", $v) or add("2001:db8::/255", $v), reads past the end of the packed address.
The out-of-bounds read happens during trie construction and is bounded: the prefix length is stored as an unsigned char, so the bit walk reads at most 32 bytes from the start of the packed address, a short distance past the end of the 4-byte or 16-byte buffer. It is detectable under AddressSanitizer, valgrind, or a hardened allocator, where it can abort the process. Lookups and dump() format only the valid address width, so the out-of-bounds bytes are not exposed through the module's API.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://rt.cpan.org/Ticket/Display.html?id=179856 | issue-trackingvendor-advisory |
| https://security.metacpan.org/patches/N/Net-IP-LP… | patch |
| http://www.openwall.com/lists/oss-security/2026/07/03/4 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TPODER | Net::IP::LPM |
Affected:
0 , ≤ 1.10
(custom)
|
{
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CVE-2025-40910 (GCVE-0-2025-40910)
Vulnerability from nvd – Published: 2025-06-27 12:19 – Updated: 2026-07-03 12:55
VLAI
EPSS
VEX
Title
Net::IP::LPM version 1.10 for Perl does not properly consider leading zero characters in IP CIDR address strings, which could allow attackers to bypass access control that is based on IP addresses
Summary
Net::IP::LPM version 1.10 for Perl does not properly consider leading zero characters in IP CIDR address strings, which could allow attackers to bypass access control that is based on IP addresses.
Leading zeros are used to indicate octal numbers, which can confuse users who are intentionally using octal notation, as well as users who believe they are using decimal notation.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1287 - Improper Validation of Specified Type of Input
Assigner
References
4 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TPODER | Net::IP::LPM |
Affected:
1.10
(custom)
|
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"metrics": [
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},
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CVE-2026-56015 (GCVE-0-2026-56015)
Vulnerability from cvelistv5 – Published: 2026-07-03 12:56 – Updated: 2026-07-06 18:36
VLAI
EPSS
VEX
Title
Net::IP::LPM versions through 1.10 for Perl allow a heap out-of-bounds read via an unbounded prefix length
Summary
Net::IP::LPM versions through 1.10 for Perl allow a heap out-of-bounds read via an unbounded prefix length.
add() passes the prefix string to the trie builder addPrefixToTrie() without checking it against the address width.
addPrefixToTrie() then walks the prefix buffer by prefix_length bits, reading prefix[byte] for byte up to prefix_len/8, where prefix is the 4-byte (IPv4) or 16-byte (IPv6) packed address. A prefix length greater than 32 for IPv4 or 128 for IPv6, for example add("1.2.3.4/255", $v) or add("2001:db8::/255", $v), reads past the end of the packed address.
The out-of-bounds read happens during trie construction and is bounded: the prefix length is stored as an unsigned char, so the bit walk reads at most 32 bytes from the start of the packed address, a short distance past the end of the 4-byte or 16-byte buffer. It is detectable under AddressSanitizer, valgrind, or a hardened allocator, where it can abort the process. Lookups and dump() format only the valid address width, so the out-of-bounds bytes are not exposed through the module's API.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://rt.cpan.org/Ticket/Display.html?id=179856 | issue-trackingvendor-advisory |
| https://security.metacpan.org/patches/N/Net-IP-LP… | patch |
| http://www.openwall.com/lists/oss-security/2026/07/03/4 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TPODER | Net::IP::LPM |
Affected:
0 , ≤ 1.10
(custom)
|
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CVE-2025-40910 (GCVE-0-2025-40910)
Vulnerability from cvelistv5 – Published: 2025-06-27 12:19 – Updated: 2026-07-03 12:55
VLAI
EPSS
VEX
Title
Net::IP::LPM version 1.10 for Perl does not properly consider leading zero characters in IP CIDR address strings, which could allow attackers to bypass access control that is based on IP addresses
Summary
Net::IP::LPM version 1.10 for Perl does not properly consider leading zero characters in IP CIDR address strings, which could allow attackers to bypass access control that is based on IP addresses.
Leading zeros are used to indicate octal numbers, which can confuse users who are intentionally using octal notation, as well as users who believe they are using decimal notation.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1287 - Improper Validation of Specified Type of Input
Assigner
References
4 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TPODER | Net::IP::LPM |
Affected:
1.10
(custom)
|
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}
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}
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],
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],
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"source": {
"discovery": "UNKNOWN"
},
"title": "Net::IP::LPM version 1.10 for Perl does not properly consider leading zero characters in IP CIDR address strings, which could allow attackers to bypass access control that is based on IP addresses",
"workarounds": [
{
"lang": "en",
"value": "Apply the patch."
}
],
"x_generator": {
"engine": "cpansec-cna-tool 0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"assignerShortName": "CPANSec",
"cveId": "CVE-2025-40910",
"datePublished": "2025-06-27T12:19:59.195Z",
"dateReserved": "2025-04-16T09:05:34.361Z",
"dateUpdated": "2026-07-03T12:55:29.788Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}