CVE-2020-35524: debian debian_linux Out-of-bounds Write
CVSS: 7.8v3.1HighModified
AliasesALPINE-CVE-2020-35524UBUNTU-CVE-2020-35524DEBIAN-CVE-2020-35524
Published 09-03-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-35524 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.85% chance of exploitation in the next 30 days, higher than 78.8% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
1.85%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 7Timeline
- 09-03-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/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
1.85%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.85% on 20-09-2026
20-09-202620-10-2026
EPSS score1.85%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- tiff< 4.1.0+git201212-1
- debian_linuxEOL9.0 | 10.0
Alpine1 product
- tiff< 4.2.0-r0
Fedoraproject1 product
- fedoraEOL33
Libtiff1 product
- libtiff< 4.2.0
Netapp1 product
Redhat1 product
- enterprise_linuxEOL6.0 | 7.0 | 8.0
Ubuntu1 product
- tiff< 4.0.3-7ubuntu0.11+esm6 | < 4.0.6-1ubuntu0.8 | < 4.0.9-5ubuntu0.4 | < 4.1.0+git191117-2ubuntu0.20.04.1
7 vendors · 8 products
References
15 links- gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22X Refsource MISCPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/06/msg00023.htmlMailing ListX Refsource MLISTThird Party Advisory
