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VulnerabilityPublished Updated

CVE-2026-112899: Pillow · In versions 2.3.0 through 12.3.0, EPS rendering does not validate the scaled image

Affects pillowSource GCVE Database

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Authoritative record:CVE-2026-112899· Medium 6.3

Not known to be exploited · CVSS 6.3 Medium · fixed in 13.0.0 : update pillow when convenient.

Data as of 13 Nov 2026, 03:43 UTC

CVSS 4.0 base score
6.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 4.06.3
EPSS
0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 13.0.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10pillowpkg:deb/ubuntu/pillow?arch=source&distro=stonkingOther threatsAffected
  • =12.1.1-2ubuntu1
  • =12.3.0-1ubuntu1
  • =12.3.0-1ubuntu2
Fixed in–
Ubuntu 26.04 LTSpillowpkg:deb/ubuntu/pillow?arch=source&distro=resoluteOther threatsAffected
  • 11.3.0-1ubuntu1 – 12.1.1-2ubuntu1.5
10 affected builds
Fixed in–
Ubuntu 24.04 LTSpillowpkg:deb/ubuntu/pillow?arch=source&distro=nobleOther threatsAffected
  • 10.0.0-1 – 10.2.0-1ubuntu1.5
9 affected builds
Fixed in–
Ubuntu 22.04 LTSpillowpkg:deb/ubuntu/pillow?arch=source&distro=jammyOther threatsAffected
  • 8.1.2+dfsg-0.3 – 9.0.1-1ubuntu0.7
11 affected builds
Fixed in–
Ubuntu Pro 20.04 LTSpillowpkg:deb/ubuntu/pillow?arch=source&distro=esm-infra/focalOther threatsAffected
  • 6.1.0-1 – 7.0.0-4ubuntu0.9+esm2
16 affected builds
Fixed in–
Ubuntu Pro 20.04 LTSpillow-python2pkg:deb/ubuntu/pillow-python2?arch=source&distro=esm-apps/focalOther threatsAffected
  • 6.2.1-3 – 6.2.1-3ubuntu0.1~esm2
4 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade to Pillow version 13.0.0 or later, where this issue is fixed. Until then, avoid processing untrusted EPS or PostScript files with scaled rendering or ensure the scale factor is controlled and limited by the application.

Description

Pillow versions 2.3.0 through 12.3.0 have a vulnerability in EPS rendering where the scaled image dimensions are not validated before invoking Ghostscript. This can lead to excessive CPU and disk resource consumption when processing untrusted EPS or PostScript files with an application-selected scale greater than one. The issue is fixed in version 13.0.0.

References

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