CVE-2021-3482: debian debian_linux Improper Input Validation
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-3482DEBIAN-CVE-2021-3482
Published 08-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-3482 is a medium (CVSS 6.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 2.30% chance of exploitation in the next 30 days, higher than 83% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
2.30%
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 5 · Related 1Timeline
- 08-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in Exiv2 in versions before and including 0.27.4-RC1. Improper input validation of the rawData.size property in Jp2Image::readMetadata() in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.30%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.30% on 19-09-2026
19-09-202619-10-2026
EPSS score2.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Debian2 products
- exiv2< 0.27.5-1
- debian_linuxEOL9.0 | 10.0
Exiv21 product
- exiv2≤ 0.27.3 | 0.27.4:rc1
Fedoraproject1 product
- fedoraEOL33 | 34
Redhat1 product
Ubuntu1 product
- exiv2< 0.25-2.1ubuntu16.04.7+esm1 | < 0.25-3.1ubuntu0.18.04.7 | < 0.27.2-8ubuntu2.2
5 vendors · 6 products
References
10 links
- lists.debian.org/debian-lts-announce/2021/08/msg00028.htmlMailing ListX Refsource MLISTThird Party Advisory
