CVE-2023-0803: libtiff Out-of-bounds Write
CVSS: 6.8v3.1MediumModified
AliasesALPINE-CVE-2023-0803UBUNTU-CVE-2023-0803DEBIAN-CVE-2023-0803
Published 13-02-2023Last modified 21-03-2025
Vulnerability summary
CVE-2023-0803 is a medium (CVSS 6.8) Out-of-bounds Write vulnerability in libtiff. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 12 · Related 7Timeline
- 13-02-2023PublishedVulnerability first disclosed.
- 21-03-2025Last modifiedVulnerability information updated.
Description
LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3516, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.
CVSS metrics
5 scores · 5 sources · 1 versionMedium 6.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:HSources5 sources · 5.5–6.8
- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
0.00 pp
From 0.43% on 18-09-2026
18-09-202618-10-2026
EPSS score0.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- tiff< 4.4.0-r2 | < 4.4.0-r3 | < 4.5.0-r5
Debian1 product
- tiff< 4.5.0-5
Libtiff1 product
- libtiff≤ 4.4.0
Ubuntu1 product
- tiff< 4.0.3-7ubuntu0.11+esm7 | < 4.0.6-1ubuntu0.8+esm10 | < 4.0.9-5ubuntu0.10 | < 4.1.0+git191117-2ubuntu0.20.04.8 | < 4.3.0-6ubuntu0.4
4 vendors · 4 products
References
13 links
- www.debian.org/security/2023/dsa-5361Vendor Advisory
- security.gentoo.org/glsa/202305-31Vendor Advisory
