CVE-2025-26623 is a critical heap buffer overflow vulnerability affecting Exiv2 versions v0.28.0 to v0.28.4, a C++ library and utility for image metadata manipulation. This flaw, triggered when Exiv2 writes metadata to a specially crafted image file, carries a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low complexity, and potential for complete compromise (confidentiality, integrity, and availability). While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion (10 mentions), indicating awareness. Users are strongly advised to upgrade to version v0.28.5 to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.28.0, < 0.28.5CPE matchmatch criteria | cpe:2.3:a:exiv2:exiv2:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.