GNU libopts up to 27.6 __strstr_sse2 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in GNU libopts up to 27.6. Affected by this vulnerability is the function __strstr_sse2. The manipulation results in memory corruption. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is reported as CVE-2025-8746. The attack requires a local approach. Moreover, an exploit is present. This issue was initially reported to the tcpreplay project, but the code maintainer explains, that this "bug appears to be in libopts which is an external library."

Detailsinfo

A vulnerability, which was classified as problematic, was found in GNU libopts up to 27.6. Affected is the function __strstr_sse2. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2025-8746. The exploitability is told to be easy. Local access is required to approach this attack. Technical details and a public exploit are known.

The exploit is shared for download at drive.google.com. It is declared as proof-of-concept. This issue was initially reported to the tcpreplay project, but the code maintainer explains, that this "bug appears to be in libopts which is an external library." The vulnerability scanner Nessus provides a plugin with the ID 259898 (Linux Distros Unpatched Vulnerability : CVE-2025-8746), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (259898) and EUVD (EUVD-2025-24045). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
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CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 259898
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-8746

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/08/2025 Advisory disclosed
08/08/2025 +0 days VulDB entry created
09/16/2025 +39 days VulDB entry last update

Sourcesinfo

Vendor: gnu.org

Advisory: 957
Status: Not defined
Confirmation: 🔒

CVE: CVE-2025-8746 (🔒)
GCVE (CVE): GCVE-0-2025-8746
GCVE (VulDB): GCVE-100-319242
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/08/2025 11:19
Updated: 09/16/2025 23:26
Changes: 08/08/2025 11:19 (58), 08/09/2025 14:03 (30), 08/09/2025 15:35 (1), 08/12/2025 07:38 (1), 08/31/2025 21:13 (2), 09/16/2025 23:26 (11)
Complete: 🔍
Submitter: nipc-cxd
Cache ID: 216:184:103

Submitinfo

Accepted

  • Submit #623632: tcpreplay tcpliveplay tcpreplay version 6fcbf03 (the newest master in https://github.com/appneta/tcpreplay) Segmentation Fault (by nipc-cxd)

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