CVE-2021-46312
An issue was discovered IW44EncodeCodec.cpp in djvulibre 3.5.28 in allows attackers to cause a denial of service via divide by zero.
02 Description
An issue was discovered IW44EncodeCodec.cpp in djvulibre 3.5.28 in allows attackers to cause a denial of service via divide by zero.
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.04% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 63.7% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-08-22 00:00Z3 YR AGO
- Last updated
- 2025-11-04 17:12Z11 MO AGO
- Reserved
- 2022-01-18
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-369Divide By ZeroBase
- Data version
- 5.2
- Document digest
- b680da118037fc350586151a649c2af4ca2ae2636311b361a349325b2de1eb1f
05 Affected products
06 References
- sourceforge.nethttps://sourceforge.net/p/djvu/bugs/344/
- lists.fedoraproject.orgFEDORA-2024-d20163632fhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4APFAWR7QE27GXQMRKR6XKNZWWUJ5YMH/
- lists.fedoraproject.orgFEDORA-2024-891c09df97https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XEEGAR4WUF6LTOJEHSON7I2MBTPFTVR5/
- lists.fedoraproject.orgFEDORA-2024-e8b9bedd36https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HN4JOIBNMJMW2NQSGT6DCDCQZJ2ROFM7/
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/07/msg00007.html
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HN4JOIBNMJMW2NQSGT6DCDCQZJ2ROFM7/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XEEGAR4WUF6LTOJEHSON7I2MBTPFTVR5/
07 Fixed in
Debian 12
- djvulibre Fixed in 3.5.28-2.2~deb12u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- djvulibre Fixed in 3.5.28-2.2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- djvulibre Fixed in 3.5.28-2.2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- djvulibre Fixed in 3.5.28-2ubuntu0.22.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- djvulibre Fixed in 3.5.28-2ubuntu0.24.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- djvulibre Fixed in 3.5.27.1-5ubuntu0.1+esm3Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- djvulibre Fixed in 3.5.27.1-8ubuntu0.4+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- djvulibre Fixed in 3.5.27.1-14ubuntu0.1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.