CVE-2021-46829
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
49.2%
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.
References
www.openwall.com/lists/oss-security/2022/07/25/1
github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md
gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512
gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2
gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190
gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/
www.debian.org/security/2022/dsa-5228
www.openwall.com/lists/oss-security/2022/07/23/1
Social References
More
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
49.2%