Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling.
Giflib contains a double-free vulnerability caused by a shallow copy in the GifMakeSavedImage function combined with incorrect error handling. Triggering this vulnerability requires specific conditions that are difficult to achieve but possible. The vulnerability affects multiple specific versions of giflib, primarily in Ubuntu distributions. It does not have a known exploit in the wild and no official patch information is provided in the available data.
AI Analysis
Technical Summary
The vulnerability in giflib arises from a double-free condition due to a shallow copy operation in the GifMakeSavedImage function and improper error handling. This flaw can lead to a program crash or denial of service by freeing memory twice. The conditions to exploit this vulnerability are complex, reducing the likelihood of exploitation. Multiple versions of giflib used in various Ubuntu releases are affected. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
The vulnerability can cause a denial of service (application crash) due to double-free memory corruption. There is no indication of confidentiality or integrity impact. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should monitor vendor communications for updates. No specific mitigations are provided in the available data.
Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling.
Description
Giflib contains a double-free vulnerability caused by a shallow copy in the GifMakeSavedImage function combined with incorrect error handling. Triggering this vulnerability requires specific conditions that are difficult to achieve but possible. The vulnerability affects multiple specific versions of giflib, primarily in Ubuntu distributions. It does not have a known exploit in the wild and no official patch information is provided in the available data.
CVSS v3.1
Score 5.1medium
Affected software
pkg:deb/ubuntu/[email protected]~16.04.1+esm1?arch=source&distro=esm-infra/xenialpkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=esm-infra/bionicpkg:deb/ubuntu/[email protected]?arch=source&distro=focalpkg:deb/ubuntu/[email protected]?arch=source&distro=jammypkg:deb/ubuntu/[email protected]?arch=source&distro=noblepkg:deb/ubuntu/[email protected]?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in giflib arises from a double-free condition due to a shallow copy operation in the GifMakeSavedImage function and improper error handling. This flaw can lead to a program crash or denial of service by freeing memory twice. The conditions to exploit this vulnerability are complex, reducing the likelihood of exploitation. Multiple versions of giflib used in various Ubuntu releases are affected. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
The vulnerability can cause a denial of service (application crash) due to double-free memory corruption. There is no indication of confidentiality or integrity impact. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should monitor vendor communications for updates. No specific mitigations are provided in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-23868
- Osv Schema Version
- 1.7.0
- Aliases
- []
- Ecosystems
- ["Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:25.10","Ubuntu:26.04:LTS"]
- Database Specific Severity
- null
- Cvss Version
- 3.1
Threat ID: 6a6151239c2644c7f8da6217
Added to database: 07/22/2026, 23:24:19 UTC
Last enriched: 07/22/2026, 23:55:44 UTC
Last updated: 07/31/2026, 19:24:49 UTC
Views: 25
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