CVE-2026-120437
Netpbm before 10.86.51, 11.02.30, and 11.15.08 Out-of-Bounds Read via tgatoppm
Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains an out-of-bounds read vulnerability in the tgatoppm converter's get_pixel() function that uses unchecked pixel values as color map indexes. Attackers can supply a crafted color-mapped Targa file whose pixel values exceed the declared color map bounds to crash the converter or leak adjacent memory into the output image.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Netpbm Netpbm |
≥ 0; < 10.86.51 (affected, custom) ≥ 11.0; < 11.02.30 (affected, custom) ≥ 11.03; < 11.15.08 (affected, custom) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 6.9 medium |
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 6.1 medium |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H | CNA: VulnCheck |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://sourceforge.net/p/netpbm/code/5334/CNA: VulnCheck · patch
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORYCNA: VulnCheck · release-notes
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORYCNA: VulnCheck · release-notes
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORYCNA: VulnCheck · release-notes
- https://svn.code.sf.net/p/netpbm/code/!svn/bc/5333/trunk/converter/ppm/tgatoppm.cCNA: VulnCheck · technical-description
- https://www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-out-of-bounds-read-via-tgatoppmCNA: VulnCheck · third-party-advisory
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