libvips up to 8.18.0 gifload integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k1.62-

Summaryinfo

A vulnerability was found in libvips up to 8.18.0. It has been declared as critical. This affects an unknown function of the component gifload. The manipulation results in integer overflow. This vulnerability is reported as CVE-2026-33328. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in libvips up to 8.18.0. It has been classified as critical. Affected is some unknown processing of the component gifload. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-33328 since 03/18/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 8.18.1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: libvips 8.18.1

Timelineinfo

03/18/2026 CVE reserved
07/20/2026 +123 days Advisory disclosed
07/20/2026 +0 days VulDB entry created
07/20/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-33328 (🔒)
GCVE (CVE): GCVE-0-2026-33328
GCVE (VulDB): GCVE-100-380652

Entryinfo

Created: 07/20/2026 18:49
Changes: 07/20/2026 18:49 (52)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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