CVE-2025-43961: In LibRaw before 0.21.4, metadata/tiff.cpp has an out-of-bounds read in the Fujifilm 0xf00c tag parser
Affects librawSource GCVE Database
Not known to be exploited · CVSS 2.9 Low · fixed in 0.17.1-1ubuntu0.5+esm1 : update libraw when convenient.
Data as of 9 Nov 2026, 14:33 UTC
Thin evidence
One scorer or none| CNA (mitre) | CVSS 3.1 | 2.9 |
|---|
- Patch
- Available – fixed in 0.17.1-1ubuntu0.5+esm1, 0.18.8-1ubuntu0.4+esm1, 0.19.5-1ubuntu1.4 +2
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 20 Apr 2025
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 9 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10darktablepkg:deb/ubuntu/darktable?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10dcrawpkg:deb/ubuntu/dcraw?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10digikampkg:deb/ubuntu/digikam?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10exactimagepkg:deb/ubuntu/exactimage?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10kodipkg:deb/ubuntu/kodi?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10rawtherapeepkg:deb/ubuntu/rawtherapee?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A patch is available and users should update to the fixed LibRaw package versions as listed in the Ubuntu security advisory USN-7485-1. After applying the update, a session restart is recommended to ensure all changes take effect. Specific fixed package versions are provided for multiple Ubuntu releases including 16.04 LTS through 25.04. Ubuntu Pro users have access to extended security coverage for these fixes.
Description
LibRaw versions before 0.21.4 contain an out-of-bounds read vulnerability in the Fujifilm 0xf00c tag parser within metadata/tiff.cpp. This flaw can cause applications using LibRaw to crash, resulting in a denial of service. The vulnerability has a high CVSS score of 9.1, indicating critical severity. Fixed versions are available and users are advised to update to these patched releases.
References
- ubuntu.com/security/CVE-2025-43961 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2025-43961 (opens in a new tab)
- github.com/LibRaw/LibRaw/commit/66fe663e02a4dd610b4e832f5d9af326709336c2 (opens in a new tab)
- github.com/LibRaw/LibRaw/compare/0.21.3...0.21.4 (opens in a new tab)
- libraw.org/news/libraw-0-21-4-release (opens in a new tab)
- ubuntu.com/security/notices/USN-7485-1 (opens in a new tab)