7.8

CVE-2021-46829: debian debian_linux Integer Overflow or Wraparound

CVSS: 7.8v3.1HighModified
AliasesMGASA-2022-0269SUSE-SU-2022:2995-1SUSE-SU-2022:2996-1
Published 24-07-2022Last modified 04-08-2024

Vulnerability summary

CVE-2021-46829 is a high (CVSS 7.8) Integer Overflow or Wraparound vulnerability in debian debian_linux. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 55.8% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.80%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3github, reference

Advisory lineage

Upstream 0 · Downstream 2

Timeline

  1. 24-07-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.80%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.80% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.80%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • githubUnverified

    Poc

    Maturity: poc

  • referenceUnverified

    Exploit Reference (gitlab.gnome.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (gitlab.gnome.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Opensuse4 products
  • gdk-pixbuf&distro=openSUSE Leap 15.3< 2.40.0-150200.3.6.1
  • gdk-pixbuf&distro=openSUSE Leap 15.4< 2.42.8-150400.5.3.1
  • gdk-pixbuf&distro=openSUSE Leap Micro 5.2< 2.40.0-150200.3.6.1
  • gdk-pixbuf&distro=openSUSE Tumbleweed< 2.42.8-2.1
Suse4 products
  • gdk-pixbuf&distro=SUSE Linux Enterprise Micro 5.2< 2.40.0-150200.3.6.1
  • gdk-pixbuf&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 2.40.0-150200.3.6.1
  • gdk-pixbuf&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 2.42.8-150400.5.3.1
  • gdk-pixbuf&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP3< 2.40.0-150200.3.6.1
Debian2 products
Fedoraproject1 product
Gnome1 product
Mageia1 product
  • gdk-pixbuf2.0< 2.42.2-1.1.mga8
Ubuntu1 product
  • gdk-pixbuf< 2.40.0+dfsg-3ubuntu0.3

7 vendors · 14 products

References

20 links
Show all 20 references