CVE catalog
CVE-2026-42308
Pillow is a Python imaging library. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.11% · Oct 25, 2026
Pillow is a Python imaging library. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer overflow. This issue has been patched in version 12.2.0.
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 | pillow | sid | 13.0.0-1 | fixed |
| Debian | pillow | forky | 12.3.0-1 | fixed |
| Debian | pillow | trixie | 11.1.0-5+deb13u4 | fixed |
| Debian | pillow | trixie-security | 11.1.0-5+deb13u3 | fixed |
| Debian | pillow | bookworm | 9.4.0-1.1+deb12u1 | vulnerable |
| Debian | pillow | bookworm-security | 9.4.0-1.1+deb12u1 | vulnerable |
| Cpe | pillow | Not reported | 10.2.0-1ubuntu1.2 | fixed |
| Cpe | python-pil-doc | Not reported | 10.2.0-1ubuntu1.2 | fixed |
| Cpe | python3-pil | Not reported | 10.2.0-1ubuntu1.2 | fixed |
| Cpe | python3-pil.imagetk | Not reported | 10.2.0-1ubuntu1.2 | fixed |
| Cpe | pillow | Not reported | Not reported | vulnerable |
| Cpe | pillow | Not reported | 12.2.0 | fixed |
| PyPI | pillow | Not reported | 12.2.0 | fixed |
| Ubuntu | pillow | pro | 6.1.0-1 | vulnerable |
| Ubuntu | pillow | pro | 6.1.0-1build1 | vulnerable |
| Ubuntu | pillow | pro | 6.2.1-2 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4build1 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.1 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.2 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.3 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.4 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.5 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.6 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.7 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.8 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.9 | vulnerable |
| Ubuntu | pillow | pro | 7.0.0-4ubuntu0.9+esm1 | vulnerable |
| Ubuntu | pillow-python2 | pro | 6.2.1-3~build1 | vulnerable |
| Ubuntu | pillow-python2 | pro | 6.2.1-3 | vulnerable |
| Ubuntu | pillow-python2 | pro | 6.2.1-3ubuntu0.1~esm1 | vulnerable |
| Ubuntu | pillow-python2 | pro | 6.2.1-3ubuntu0.1~esm2 | vulnerable |
| Ubuntu | pillow | 22.04 | 8.1.2+dfsg-0.3 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.0-1 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1build1 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1ubuntu0.1 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1ubuntu0.2 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1ubuntu0.3 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1ubuntu0.4 | fixed |
| Ubuntu | pillow | 24.04 | 10.0.0-1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.1.0-1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.2.0-1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.2.0-1build1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.2.0-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.2.0-1ubuntu1.2 | fixed |
| Ubuntu | pillow | 25.10 | 11.1.0-5build1 | vulnerable |
| Ubuntu | pillow | 25.10 | 11.3.0-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 25.10 | 11.3.0-1ubuntu1.1 | vulnerable |
| Ubuntu | pillow | 25.10 | 11.3.0-1ubuntu1.2 | vulnerable |
| Ubuntu | pillow | 25.10 | 11.3.0-1ubuntu1.3 | fixed |
| Ubuntu | pillow | 26.04 | 11.3.0-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 26.04 | 11.3.0-1ubuntu2 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.0.0-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.1.1-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.1.1-2ubuntu1 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.1.1-2ubuntu1.1 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.1.1-2ubuntu1.2 | fixed |
| Ubuntu | pillow | 22.04 | 8.1.2+dfsg-0.3 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.0-1 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1build1 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1ubuntu0.1 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1ubuntu0.2 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1ubuntu0.3 | vulnerable |
| Ubuntu | pillow | 22.04 | 9.0.1-1ubuntu0.4 | fixed |
| Ubuntu | pillow | 24.04 | 10.0.0-1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.1.0-1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.2.0-1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.2.0-1build1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.2.0-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 24.04 | 10.2.0-1ubuntu1.2 | fixed |
| Ubuntu | pillow | 25.10 | 11.1.0-5build1 | vulnerable |
| Ubuntu | pillow | 25.10 | 11.3.0-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 25.10 | 11.3.0-1ubuntu1.1 | vulnerable |
| Ubuntu | pillow | 25.10 | 11.3.0-1ubuntu1.2 | vulnerable |
| Ubuntu | pillow | 25.10 | 11.3.0-1ubuntu1.3 | fixed |
| Ubuntu | pillow | 26.04 | 11.3.0-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 26.04 | 11.3.0-1ubuntu2 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.0.0-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.1.1-1ubuntu1 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.1.1-2ubuntu1 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.1.1-2ubuntu1.1 | vulnerable |
| Ubuntu | pillow | 26.04 | 12.1.1-2ubuntu1.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | pillow | source | sid | 12.2.0-1 | not yet assigned | Not reported | Not reported |
| Debian | pillow | source | forky | 12.2.0-1 | not yet assigned | Not reported | Not reported |
| Debian | pillow | source | trixie | 11.1.0-5+deb13u3 | not yet assigned | Not reported | Not reported |
| Debian | pillow | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Cpe | pillow | cpe | Not reported | 10.2.0-1ubuntu1.2 | Not reported | Not reported | Not reported |
| Cpe | python-pil-doc | cpe | Not reported | 10.2.0-1ubuntu1.2 | Not reported | Not reported | Not reported |
| Cpe | python3-pil | cpe | Not reported | 10.2.0-1ubuntu1.2 | Not reported | Not reported | Not reported |
| Cpe | python3-pil.imagetk | cpe | Not reported | 10.2.0-1ubuntu1.2 | Not reported | Not reported | Not reported |
| Cpe | pillow | cpe | Not reported | 12.2.0 | Not reported | Not reported | Not reported |
| PyPI | pillow | PyPI | Not reported | 12.2.0 | Not reported | GHSA-WJX4-4JCJ-G98J | Not reported |
| Ubuntu | pillow | deb | 22.04 | 9.0.1-1ubuntu0.4 | Not reported | UBUNTU-CVE-2026-42308 | Not reported |
| Ubuntu | pillow | deb | 24.04 | 10.2.0-1ubuntu1.2 | Not reported | UBUNTU-CVE-2026-42308 | Not reported |
| Ubuntu | pillow | deb | 25.10 | 11.3.0-1ubuntu1.3 | Not reported | UBUNTU-CVE-2026-42308 | Not reported |
| Ubuntu | pillow | deb | 26.04 | 12.1.1-2ubuntu1.2 | Not reported | UBUNTU-CVE-2026-42308 | Not reported |
| Ubuntu | pillow | deb | 22.04 | 9.0.1-1ubuntu0.4 | Not reported | USN-8399-1 | Not reported |
| Ubuntu | pillow | deb | 24.04 | 10.2.0-1ubuntu1.2 | Not reported | USN-8399-1 | Not reported |
| Ubuntu | pillow | deb | 25.10 | 11.3.0-1ubuntu1.3 | Not reported | USN-8399-1 | Not reported |
| Ubuntu | pillow | deb | 26.04 | 12.1.1-2ubuntu1.2 | Not reported | USN-8399-1 | Not reported |
Notes
[bookworm] pillow: Minor issue, UBSAN
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [python3-pil]Affected
Source package: [pillow]
Details (4)
9.4.0-1.1+deb12u1· amd64 · bookwormAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
9.4.0-1.1+deb12u1· arm64 · bookwormAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
9.4.0-1.1+deb12u1· amd64 · bookworm-securityAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
9.4.0-1.1+deb12u1· arm64 · bookworm-securityAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
- [python3-pil.imagetk]Affected
Source package: [pillow]
Details (4)
9.4.0-1.1+deb12u1· amd64 · bookwormAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
9.4.0-1.1+deb12u1· arm64 · bookwormAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
9.4.0-1.1+deb12u1· amd64 · bookworm-securityAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
9.4.0-1.1+deb12u1· arm64 · bookworm-securityAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
- [python-pil-doc]Affected
Source package: [pillow]
Details (4)
9.4.0-1.1+deb12u1· all · bookwormAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
9.4.0-1.1+deb12u1· all · bookwormAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
9.4.0-1.1+deb12u1· all · bookworm-securityAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
9.4.0-1.1+deb12u1· all · bookworm-securityAffected
nvd · pillow · debian · bookworm; nvd · pillow · debian · 12
[Debian 13 (Trixie)]
- [python3-pil]Fixed
Source package: [pillow]
Details (4)
11.1.0-5+deb13u4· amd64 · trixieFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
11.1.0-5+deb13u4· arm64 · trixieFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
11.1.0-5+deb13u3· amd64 · trixie-securityFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
11.1.0-5+deb13u3· arm64 · trixie-securityFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
- [python3-pil.imagetk]Fixed
Source package: [pillow]
Details (4)
11.1.0-5+deb13u4· amd64 · trixieFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
11.1.0-5+deb13u4· arm64 · trixieFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
11.1.0-5+deb13u3· amd64 · trixie-securityFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
11.1.0-5+deb13u3· arm64 · trixie-securityFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
- [python-pil-doc]Fixed
Source package: [pillow]
Details (4)
11.1.0-5+deb13u4· all · trixieFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
11.1.0-5+deb13u4· all · trixieFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
11.1.0-5+deb13u3· all · trixie-securityFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
11.1.0-5+deb13u3· all · trixie-securityFixed · Fixed:
11.1.0-5+deb13u3nvd · pillow · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_2004-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-42308]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-42308]
- [https://osv.dev/vulnerability/GHSA-wjx4-4jcj-g98j]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-42308]
- [https://osv.dev/vulnerability/USN-8399-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-42308]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42308.json]
- [https://ubuntu.com/security/notices/USN-8399-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2455.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]