SUSE · security update for libexif
Affects SUSESource GCVE Database
Not known to be exploited · CVSS 4.0 Medium.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 12 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| libexif projectlibexif | Affected
| Fixed in– |
AI-suggested
Red Hat has released updated libexif packages that address CVE-2026-40386. Users running Red Hat Enterprise Linux 10 and related variants should apply these official updates as described in Red Hat advisory RHSA-2026:22529 and the referenced update article (https://access.redhat.com/articles/11258). No additional mitigation steps are indicated by the vendor.
Description
A moderate severity vulnerability (CVE-2026-40386) affects the libexif library used for extracting metadata from image files. The flaw involves an integer underflow in the MakerNote decoding functionality, which can lead to denial of service and information disclosure. This issue impacts Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder variants across multiple architectures. Red Hat has issued a security advisory with updated libexif packages to address this vulnerability.
References
- access.redhat.com/errata/RHSA-2026:22529 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2457689 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_22529.json (opens in a new tab)
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/rhsa-2026_22529.json (opens in a new tab)
- lists.suse.com/pipermail/suse-liberty-linux-updates/2026-June/006672.html (opens in a new tab)
- suse.com/security/cve/CVE-2026-40386/ (opens in a new tab)