CVE-2023-30086: libtiff Out-of-bounds Write
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-30086DEBIAN-CVE-2023-30086
Published 09-05-2023Last modified 09-07-2026
Vulnerability summary
CVE-2023-30086 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in libtiff. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 21.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.31%
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 1Timeline
- 09-05-2023PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
Description
Buffer Overflow vulnerability found in Libtiff V.4.0.7 allows a local attacker to cause a denial of service via the tiffcp function in tiffcp.c.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
0.00 pp
From 0.31% on 19-09-2026
19-09-202619-10-2026
EPSS score0.31%
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
Debian1 product
- tiff< 4.4.0-5
Libtiff1 product
- libtiff4.0.7
Ubuntu1 product
- tiff< 4.0.3-7ubuntu0.11+esm5 | < 4.0.6-1ubuntu0.8+esm7 | < 4.0.9-5ubuntu0.8 | < 4.1.0+git191117-2ubuntu0.20.04.6 | < 4.3.0-6ubuntu0.2
3 vendors · 3 products
References
7 links- tiffcp.comREPORT
