CVE-2026-33328: libvips is a fast image processing library with low memory needs

Q: How do I fix CVE-2026-33328?

libvips: upgrade to 8.18.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-33328 being exploited?

CVE-2026-33328 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33328 affect?

CVE-2026-33328 affects libvips. Severity is medium (CVSS 5.5). libvips is a fast image processing library with low memory needs. On 32-bit systems in versions before and including 8.18.0, the `gifload` operation could incorrectly determine dimensions leading to an integer overflow. This has been patche

Q: How urgent is CVE-2026-33328?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2026-33328 is a medium-severity flaw (CVSS 5.5) affecting libvips. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

libvips is a fast image processing library with low memory needs. On 32-bit systems in versions before and including 8.18.0, the `gifload` operation could incorrectly determine dimensions leading to an integer overflow. This has been patched in version 8.18.1.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 96%)
CISA exploited list	No
Weakness	CWE-190
Published	2026-07-20
Last modified	2026-08-19

Publisher (CNA): GitHub, Inc. · Vendor: libvips

Last updated 2026-08-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-20 17:17 UTCPublished CVE record published
2026-08-19 19:19 UTCUpdated Record last modified

libvips libvips UPGRADE

Affected: < 8.18.1

Fixed in: 8.18.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libvips || rpm -q libvips || libvips --version

2. UPGRADE to 8.18.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libvips

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libvips

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33328?

libvips: upgrade to 8.18.1. Exact commands for each OS are on this page.

Is CVE-2026-33328 being exploited?

CVE-2026-33328 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33328 affect?

CVE-2026-33328 affects libvips. Severity is medium (CVSS 5.5). libvips is a fast image processing library with low memory needs. On 32-bit systems in versions before and including 8.18.0, the `gifload` operation could incorrectly determine dimensions leading to an integer overflow. This has been patche

How urgent is CVE-2026-33328?

Priority 20/100. No elevated risk signals yet.

Related CVEs

CVE-2026-33327 HIGH 7.8 UPGRADE libvips is a fast image processing library with low memory needs
CVE-2026-35590 MEDIUM 5.5 UPGRADE libvips is a fast image processing library with low memory needs
CVE-2026-35591 HIGH 7.8 UPGRADE libvips is a fast image processing library with low memory needs

References

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