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CVE-2025-5745

19
FAUCET Score

CVE-2025-5745 is a medium-severity vulnerability affecting the GNU C Library (glibc) version 2.40 and later, specifically its strncmp implementation optimized for Power10 processors. This flaw involves the function overwriting non-volatile vector registers (v20-v31) without saving their contents, which can lead to altered program control flow or information leakage of input strings. With a CVSS score of 5.6, the vulnerability has a network attack vector and high attack complexity, potentially resulting in low impact to confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.40, < 2.40-136CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
>= 2.41, < 2.41-57CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.6MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 1st percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2025-5745Important

glibc: Vector register overwrite bug in glibc

Jun 5, 2025

References

sourceware.org / bugzilla/show_bug.cgi
Issue Tracking