Search criteria
32 vulnerabilities
CVE-2025-7007 (GCVE-0-2025-7007)
Vulnerability from cvelistv5 – Published: 2025-12-01 16:34 – Updated: 2025-12-01 17:08
VLAI?
Summary
NULL Pointer Dereference vulnerability in Avast Antivirus on MacOS, Avast Anitvirus on Linux when scanning a malformed Windows PE file causes the antivirus process to crash.This issue affects Antivirus: 16.0.0; Anitvirus: 3.0.3.
Severity ?
7.5 (High)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Credits
Mike Zhang
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CVE-2025-3500 (GCVE-0-2025-3500)
Vulnerability from cvelistv5 – Published: 2025-12-01 16:09 – Updated: 2025-12-02 04:56
VLAI?
Summary
Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3.
Severity ?
9 (Critical)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Credits
Baris Akkaya
Trend Micro Zero Day Initiative
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CVE-2025-8351 (GCVE-0-2025-8351)
Vulnerability from cvelistv5 – Published: 2025-12-01 15:51 – Updated: 2025-12-01 15:59
VLAI?
Summary
Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avast Antivirus on MacOS when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the anitvirus engine process.This issue affects Antivirus: from 8.3.70.94 before 8.3.70.98.
Severity ?
9 (Critical)
Assigner
References
Credits
Mike Zhang
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CVE-2025-10101 (GCVE-0-2025-10101)
Vulnerability from cvelistv5 – Published: 2025-12-01 15:32 – Updated: 2025-12-02 04:56
VLAI?
Summary
Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection.
This issue affects Antivirus: from 15.7 before 3.9.2025.
Severity ?
8.1 (High)
Assigner
References
Credits
Mike Zhang
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CVE-2025-13032 (GCVE-0-2025-13032)
Vulnerability from cvelistv5 – Published: 2025-11-11 16:16 – Updated: 2025-11-14 19:27
VLAI?
Summary
Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3 on windows allows local attacker to escalate privelages via pool overflow.
Severity ?
9.9 (Critical)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avast | (Free/Premiium/Ultimeat) Antivirus |
Affected:
0 , < 25.3
(custom)
|
||||||||||||
|
||||||||||||||
Credits
SAFA Team
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CVE-2025-10905 (GCVE-0-2025-10905)
Vulnerability from cvelistv5 – Published: 2025-11-11 15:52 – Updated: 2025-11-12 20:02
VLAI?
Summary
Collision in MiniFilter driver in Avast Software Avast Free Antivirus before 25.9 on Windows allows a local attacker with administrative privileges to disable real-time protection and self-defense mechanisms.
Severity ?
4.4 (Medium)
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Avast | Free Antivirus |
Affected:
0 , < 25.9
(custom)
|
Credits
Dongchan Seo
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CVE-2025-3025 (GCVE-0-2025-3025)
Vulnerability from cvelistv5 – Published: 2025-09-15 12:20 – Updated: 2025-09-16 03:55
VLAI?
Summary
Elevation of Privileges in the cleaning feature of Gen Digital CCleaner version 6.33.11465 on Windows allows a local user to gain SYSTEM privileges via exploiting insecure file delete operations. Reported in CCleaner v. 6.33.11465. This issue affects CCleaner: before < 6.36.11508.
Severity ?
7.3 (High)
CWE
- CWE-552 - Files or Directories Accessible to External Parties
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Gen Digital | CCleaner |
Affected:
6.33.11465 , < < 6.36.11508
(custom)
|
Credits
Dong-uk Kim (@justlikebono)
Trend Micro, the Zero Day Initiative (ZDI) ZDI-CAN-26474
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CVE-2025-4134 (GCVE-0-2025-4134)
Vulnerability from cvelistv5 – Published: 2025-05-28 13:53 – Updated: 2025-05-28 14:06
VLAI?
Summary
Lack of file validation in do_update_vps in Avast Business Antivirus for Linux 4.5 on Linux allows local user to spoof or tamper with the update file via an unverified file write.
Severity ?
7.3 (High)
CWE
- CWE-552 - Files or Directories Accessible to External Parties
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Avast | Avast Business Antivirus |
Affected:
4.5.1
(customLack of file validation in Avast Business Antivirus for Linux allows writing untrusted update files.)
|
Credits
FIS Securtiy
Nông Hoàng Tú
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CVE-2024-9524 (GCVE-0-2024-9524)
Vulnerability from cvelistv5 – Published: 2025-05-09 15:37 – Updated: 2025-05-09 17:03
VLAI?
Summary
Link Following Local Privilege Escalation Vulnerability in System Speedup Service in Avira Operations GmbH Avira Prime Version 1.1.96.2 on Windows 10 x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via creating a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.
Severity ?
7.8 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Credits
Anonymous working with Trend Micro Zero Day Initiative
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CVE-2024-13962 (GCVE-0-2024-13962)
Vulnerability from cvelistv5 – Published: 2025-05-09 15:20 – Updated: 2025-05-09 17:21
VLAI?
Summary
Link Following Local Privilege Escalation Vulnerability in TuneupSvc in Gen Digital Inc. Avast Cleanup Premium Version 24.2.16593.17810 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via creating a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.
Severity ?
7.8 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Avast | CleanUp Premium |
Affected:
24.2.16593.17810
Unaffected: 24.3.17165.19178 |
Credits
Vladislav Berghici of Trend Micro
Zero Day Initiative
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CVE-2024-13961 (GCVE-0-2024-13961)
Vulnerability from cvelistv5 – Published: 2025-05-09 15:20 – Updated: 2025-05-09 17:38
VLAI?
Summary
Link Following Local Privilege Escalation Vulnerability in TuneupSvc in Avast Cleanup Premium Version 24.2.16593.17810 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via creating a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.
Severity ?
7.8 (High)
CWE
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Avast | CleanUp Premium |
Affected:
24.2.16593.17810
Unaffected: 24.3.17165.19178 |
Credits
Vladislav Berghici of Trend Micro Research
Zero Day Initiative
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CVE-2024-13960 (GCVE-0-2024-13960)
Vulnerability from cvelistv5 – Published: 2025-05-09 15:20 – Updated: 2025-05-09 18:54
VLAI?
Summary
Link Following Local Privilege Escalation Vulnerability in TuneUp Service in AVG TuneUp Version 23.4 (build 15592) on Windows 10 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via creating a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.
Severity ?
7.8 (High)
CWE
Assigner
References
Impacted products
Credits
Zero Day Initiative
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CVE-2024-13959 (GCVE-0-2024-13959)
Vulnerability from cvelistv5 – Published: 2025-05-09 15:20 – Updated: 2025-05-09 19:02
VLAI?
Summary
Link Following Local Privilege Escalation Vulnerability in TuneupSvc.exe in AVG TuneUp 24.2.16593.9844 on Windows allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via creating a symbolic link and leveraging the service to delete a directory
Severity ?
7.8 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Credits
Vladislav Berghici of Trend Micro
Zero Day Initiative
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CVE-2024-13759 (GCVE-0-2024-13759)
Vulnerability from cvelistv5 – Published: 2025-05-09 15:20 – Updated: 2025-05-09 19:07
VLAI?
Summary
Local Privilege Escalation in Avira.Spotlight.Service.exe in Avira Prime 1.1.96.2 on Windows 10 x64 allows local attackers to gain system-level privileges via arbitrary file deletion
Severity ?
7.8 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Credits
Anonymous working with Trend Micro Zero Day Initiative
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CVE-2024-13944 (GCVE-0-2024-13944)
Vulnerability from cvelistv5 – Published: 2025-05-09 15:18 – Updated: 2025-10-13 09:52
VLAI?
Summary
Link Following Local Privilege Escalation Vulnerability in NortonUtilitiesSvc in Norton Utilities Ultimate Version 24.2.16862.6344 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via the creation of a symbolic link and leveraging a TOCTTOU (time-of-check to time-of-use) attack.
Severity ?
7.8 (High)
CWE
Assigner
References
Impacted products
Credits
Vladislav Berghici of Trend Micro Research
Zero Day Initiative
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CVE-2024-9484 (GCVE-0-2024-9484)
Vulnerability from cvelistv5 – Published: 2024-10-04 12:44 – Updated: 2024-10-07 11:27
VLAI?
Summary
An null-pointer-derefrence in the engine module in AVG/Avast Antivirus signature <24092400 released on 24/Sep/2024 on MacOS allows a malformed xar file to crash the application during file processing.
Severity ?
5.1 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Credits
Mike Zhang, an independent security researcher
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CVE-2024-9483 (GCVE-0-2024-9483)
Vulnerability from cvelistv5 – Published: 2024-10-04 12:29 – Updated: 2024-10-07 11:27
VLAI?
Summary
A null-pointer-dereference in the signature verification module in AVG/Avast Antivirus signature <24092400 released on 24/Sep/2024 on MacOS may allow a malformed xar file to crash the application during processing.
Severity ?
5.1 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Credits
Mike Zhang, an independent security researcher
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CVE-2024-9482 (GCVE-0-2024-9482)
Vulnerability from cvelistv5 – Published: 2024-10-04 12:22 – Updated: 2024-10-07 11:27
VLAI?
Summary
An out-of-bounds write in the engine module in AVG/Avast Antivirus signature <24092400 released on 24/Sep/2024 on MacOS allows a malformed Mach-O file to crash the application during file processing.
Severity ?
5.1 (Medium)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
Credits
Mike Zhang, an independent security researcher
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CVE-2024-9481 (GCVE-0-2024-9481)
Vulnerability from cvelistv5 – Published: 2024-10-04 12:15 – Updated: 2024-10-07 11:26
VLAI?
Summary
An out-of-bounds write in the engine module in AVG/Avast Antivirus signature <24092400 released on 24/Sep/2024 on MacOS allows a malformed eml file to crash the application during file processing.
Severity ?
5.1 (Medium)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
Credits
Mike Zhang, an independent security researcher
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CVE-2024-5803 (GCVE-0-2024-5803)
Vulnerability from cvelistv5 – Published: 2024-10-03 14:20 – Updated: 2024-10-03 15:38
VLAI?
Summary
The AVGUI.exe of AVG/Avast Antivirus before versions before 24.1 can allow a local attacker to escalate privileges via an COM hijack in a time-of-check to time-of-use (TOCTOU) when self protection is disabled.
Severity ?
7.5 (High)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Credits
Cirosec GmbH
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CVE-2024-5102 (GCVE-0-2024-5102)
Vulnerability from cvelistv5 – Published: 2024-06-10 16:15 – Updated: 2024-08-01 21:03
VLAI?
Summary
A sym-linked file accessed via the repair function in Avast Antivirus <24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\SYSTEM. The vulnerability exists within the "Repair" (settings -> troubleshooting -> repair) feature, which attempts to delete a file in the current user's AppData directory as NT AUTHORITY\SYSTEM. A low-privileged user can make a pseudo-symlink and a junction folder and point to a file on the system. This can provide a low-privileged user an Elevation of Privilege to win a race-condition which will re-create the system files and make Windows callback to a specially-crafted file which could be used to launch a privileged shell instance.
This issue affects Avast Antivirus prior to 24.2.
Severity ?
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Credits
Naor Hodorov
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CVE-2023-5760 (GCVE-0-2023-5760)
Vulnerability from cvelistv5 – Published: 2023-11-08 16:36 – Updated: 2024-09-03 20:20
VLAI?
Summary
A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an attacker to gain full local privilege escalation on the system.This issue affects Avast/Avg Antivirus: 23.8.
Severity ?
8.2 (High)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Avast/AVG | Avast/Avg Antivirus |
Affected:
23.8
|
Credits
Wei Sheng Teo of Ensign InfoSecurity|
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CVE-2023-1900 (GCVE-0-2023-1900)
Vulnerability from cvelistv5 – Published: 2023-04-19 18:47 – Updated: 2025-02-05 14:48
VLAI?
Summary
A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation.
Issue was fixed with Endpointprotection.exe version 1.0.2303.633
Severity ?
7.8 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| AVIRA | Avira Antivirus |
Affected:
0 , < 1.0.2303.633
(1.0.2303.633 )
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CVE-2023-1587 (GCVE-0-2023-1587)
Vulnerability from cvelistv5 – Published: 2023-04-19 18:39 – Updated: 2025-02-05 16:15
VLAI?
Summary
Avast and AVG Antivirus for Windows were susceptible to a NULL pointer dereference issue via RPC-interface. The issue was fixed with Avast and AVG Antivirus version 22.11
Severity ?
5.8 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AVAST | Avast Antivirus |
Affected:
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(22.11)
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CVE-2023-1586 (GCVE-0-2023-1586)
Vulnerability from cvelistv5 – Published: 2023-04-19 18:35 – Updated: 2025-02-05 16:16
VLAI?
Summary
Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the restore process leading to arbitrary file creation. The issue was fixed with Avast and AVG Antivirus version 22.11
Severity ?
6.5 (Medium)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Avast | Avast Antivirus |
Affected:
22.5 , ≤ 22.10
(22.11)
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CVE-2023-1585 (GCVE-0-2023-1585)
Vulnerability from cvelistv5 – Published: 2023-04-19 18:27 – Updated: 2025-02-05 14:44
VLAI?
Summary
Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the Quarantine process, leading to arbitrary file/directory deletion. The issue was fixed with Avast and AVG Antivirus version 22.11 and virus definitions from 14 February 2023 or later.
Severity ?
6.5 (Medium)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Avast | Avast Antivirus |
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CVE-2022-4429 (GCVE-0-2022-4429)
Vulnerability from cvelistv5 – Published: 2023-01-10 09:28 – Updated: 2025-04-08 14:51
VLAI?
Summary
Avira Security for Windows contains an unquoted service path which allows attackers with local administrative privileges to cause a Denial of Service. The issue was fixed with Avira Security version 1.1.78
Severity ?
5.3 (Medium)
CWE
- CWE-428 - Unquoted Search Path or Element
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| NortonLifelock (GenDigital) | Avira Security for Windows |
Affected:
up to version 1.1.77
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CVE-2022-4294 (GCVE-0-2022-4294)
Vulnerability from cvelistv5 – Published: 2023-01-10 09:14 – Updated: 2025-04-08 14:54
VLAI?
Summary
Norton, Avira, Avast and AVG Antivirus for Windows may be susceptible to a Privilege Escalation vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user.
Severity ?
7.1 (High)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NortonLifelock (GenDigital) | Norton Antivirus Windows Eraser Engine |
Affected:
prior to 119.1.5.1
|
|||||||||||||||||
|
|||||||||||||||||||
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CVE-2022-4291 (GCVE-0-2022-4291)
Vulnerability from cvelistv5 – Published: 2022-12-07 23:45 – Updated: 2025-04-14 17:57
VLAI?
Summary
The aswjsflt.dll library from Avast Antivirus windows contained a potentially exploitable heap corruption vulnerability that could enable an attacker to bypass the sandbox of the application it was loaded into, if applicable. This issue was fixed in version 18.0.1478 of the Script Shield Component.
Severity ?
7.7 (High)
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| NortonLifelock | Avast Antivirus |
Affected:
0 , ≤ 18.0.1473.0
(custom)
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CVE-2022-4173 (GCVE-0-2022-4173)
Vulnerability from cvelistv5 – Published: 2022-12-05 23:15 – Updated: 2025-04-14 17:57
VLAI?
Summary
A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.
Severity ?
7.3 (High)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| NortonLifeLock | Avast and AVG Antivirus |
Affected:
20.5 , ≤ 22.9
(custom)
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