
CVE catalog
CVE-2026-3713
A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function do_pnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of t
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.13% · Oct 25, 2026
A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function do_pnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of the argument width/height causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libpng1.6 | sid | 1.6.59-1 | vulnerable |
| Debian | libpng1.6 | forky | 1.6.59-1 | vulnerable |
| Debian | libpng1.6 | trixie | 1.6.48-1+deb13u5 | vulnerable |
| Debian | libpng1.6 | trixie-security | 1.6.48-1+deb13u6 | vulnerable |
| Debian | libpng1.6 | bookworm | 1.6.39-2+deb12u5 | vulnerable |
| Debian | libpng1.6 | bookworm-security | 1.6.39-2+deb12u6 | vulnerable |
| Cpe | libpng1.6 | Not reported | Not reported | vulnerable |
| Ubuntu | libpng | pro | 1.2.49-4ubuntu1 | vulnerable |
| Ubuntu | libpng | pro | 1.2.49-5ubuntu1 | vulnerable |
| Ubuntu | libpng | pro | 1.2.50-1ubuntu1 | vulnerable |
| Ubuntu | libpng | pro | 1.2.50-1ubuntu2 | vulnerable |
| Ubuntu | libpng | pro | 1.2.50-1ubuntu2.14.04.1 | vulnerable |
| Ubuntu | libpng | pro | 1.2.50-1ubuntu2.14.04.2 | vulnerable |
| Ubuntu | libpng | pro | 1.2.50-1ubuntu2.14.04.3 | vulnerable |
| Ubuntu | libpng | pro | 1.2.50-1ubuntu2.14.04.3+esm1 | vulnerable |
| Ubuntu | libpng | pro | 1.2.50-1ubuntu2.14.04.3+esm2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libpng1.6 | source | sid | (unfixed) | unimportant | Not reported | Not reported |
| Debian | libpng1.6 | source | forky | (unfixed) | unimportant | Not reported | Not reported |
| Debian | libpng1.6 | source | trixie | (unfixed) | unimportant | Not reported | Not reported |
| Debian | libpng1.6 | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libpng16-16]Affected
Source package: [libpng1.6]
Details (4)
1.6.39-2+deb12u5· amd64 · bookwormAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
1.6.39-2+deb12u5· arm64 · bookwormAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
1.6.39-2+deb12u5· amd64 · bookworm-securityAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
1.6.39-2+deb12u5· arm64 · bookworm-securityAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
- [libpng-dev]Affected
Source package: [libpng1.6]
Details (4)
1.6.39-2+deb12u5· amd64 · bookwormAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
1.6.39-2+deb12u5· arm64 · bookwormAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
1.6.39-2+deb12u5· amd64 · bookworm-securityAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
1.6.39-2+deb12u5· arm64 · bookworm-securityAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
- [libpng-tools]Affected
Source package: [libpng1.6]
Details (4)
1.6.39-2+deb12u5· amd64 · bookwormAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
1.6.39-2+deb12u5· arm64 · bookwormAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
1.6.39-2+deb12u5· amd64 · bookworm-securityAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
1.6.39-2+deb12u5· arm64 · bookworm-securityAffected
nvd · libpng1.6 · debian · bookworm; nvd · libpng1.6 · debian · 12
[Debian 13 (Trixie)]
- [libpng16-16t64]Affected
Source package: [libpng1.6]
Details (5)
1.6.48-1+deb13u5· amd64 · trixieAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u5· arm64 · trixieAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u5· amd64 · trixie-security · Historical versionAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u5· arm64 · trixie-securityAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u6· amd64 · trixie-securityAffected
nvd · libpng1.6 · debian · 13
- [libpng-dev]Affected
Source package: [libpng1.6]
Details (5)
1.6.48-1+deb13u5· amd64 · trixieAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u5· arm64 · trixieAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u5· amd64 · trixie-security · Historical versionAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u5· arm64 · trixie-securityAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u6· amd64 · trixie-securityAffected
nvd · libpng1.6 · debian · 13
- [libpng-tools]Affected
Source package: [libpng1.6]
Details (5)
1.6.48-1+deb13u5· amd64 · trixieAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u5· arm64 · trixieAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u5· amd64 · trixie-security · Historical versionAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u5· arm64 · trixie-securityAffected
nvd · libpng1.6 · debian · 13
1.6.48-1+deb13u6· amd64 · trixie-securityAffected
nvd · libpng1.6 · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-3713]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-3713]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-3713]
- [https://security-tracker.debian.org/tracker/CVE-2026-3713]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3713.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0638.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]