VulnerabilityModified
CVE-2021-46829
GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame.
HIGH 7.8EPSS 0.79%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame. This overflow is controllable and could be abused for code execution, especially on 32-bit systems.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.79% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- gnome/gdk-pixbuf · fedoraproject/fedora · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2022/07/25/1Mailing List, Third Party Advisory
- https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.mdExploit, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512Patch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2Patch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190Exploit, Issue Tracking, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/
- https://www.debian.org/security/2022/dsa-5228Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/07/23/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/07/25/1Mailing List, Third Party Advisory
- https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.mdExploit, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512Patch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2Patch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190Exploit, Issue Tracking, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/
- https://www.debian.org/security/2022/dsa-5228Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/07/23/1Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.