CVE-2021-44648: debian debian_linux Out-of-bounds Write
CVSS: 8.8v3.1HighModified
AliasesALPINE-CVE-2021-44648MGASA-2022-0402SUSE-SU-2022:3153-1SUSE-SU-2022:3230-1UBUNTU-CVE-2021-44648USN-5607-1DEBIAN-CVE-2021-44648openSUSE-SU-2024:12296-1
Published 12-01-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-44648 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.91% chance of exploitation in the next 30 days, higher than 79.4% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.91%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 12-01-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability when decoding the lzw compressed stream of image data in GIF files with lzw minimum code size equals to 12.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.91%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
+0.02 pp
From 1.89% on 18-09-2026
18-09-202618-10-2026
EPSS score1.91%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (gitlab.gnome.org)
Maturity: unknown
Exploit Reference (sahildhar.github.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Suse13 products
- gdk-pixbuf&distro=SUSE Enterprise Storage 7< 2.40.0-150200.3.9.1
- gdk-pixbuf&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS< 2.40.0-150200.3.9.1
- gdk-pixbuf&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS< 2.40.0-150200.3.9.1
- gdk-pixbuf&distro=SUSE Linux Enterprise Micro 5.2< 2.40.0-150200.3.9.1
- gdk-pixbuf&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 2.40.0-150200.3.9.1
Opensuse4 products
- gdk-pixbuf&distro=openSUSE Leap 15.3< 2.40.0-150200.3.9.1
- gdk-pixbuf&distro=openSUSE Leap 15.4< 2.42.9-150400.5.6.1
- gdk-pixbuf&distro=openSUSE Leap Micro 5.2< 2.40.0-150200.3.9.1
- gdk-pixbuf&distro=openSUSE Tumbleweed< 2.42.9-3.1
Debian2 products
- gdk-pixbuf< 2.42.9+dfsg-1
- debian_linuxEOL11.0
Alpine1 product
- gdk-pixbuf< 2.42.8-r0
Fedoraproject1 product
- fedoraEOL34 | 35
Gnome1 product
- gdkpixbuf2.42.6
Mageia1 product
- gdk-pixbuf2.0< 2.42.2-1.2.mga8
Ubuntu1 product
- gdk-pixbuf< 2.40.0+dfsg-3ubuntu0.4 | < 2.42.8+dfsg-1ubuntu0.1
8 vendors · 24 products
References
19 links- gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/136X Refsource MISCExploitIssue TrackingThird Party Advisory
- sahildhar.github.io/blogpost/GdkPixbuf-Heap-Buffer-Overflow-in-lzw_decoder_new/X Refsource MISCREPORTExploitThird Party Advisory
