CVE-2021-3630
An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects
02 Description
An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.01% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 62.9% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/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
- 2021-06-30 13:27Z5 YR AGO
- Last updated
- 2024-08-03 17:01Z2 YR AGO
- Reserved
- 2021-06-29
- Assigning CNA
- fedora
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- c09b22d87b3404ae11c8797c93076ce1e34ee8a40bd5f2a48bad613885286f05
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1977427
- lists.debian.org[debian-lts-announce] 20210703 [SECURITY] [DLA 2702-1] djvulibre security updatehttps://lists.debian.org/debian-lts-announce/2021/07/msg00002.html
- lists.fedoraproject.orgFEDORA-2021-fd6f2727c8https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XVKYWV4P5XGA3FXKGFB443MKC32L7YQB/
- lists.fedoraproject.orgFEDORA-2021-7514c11a37https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q3B4QZCICPZRDXA2HOIACSQNZB2VEHSM/
- lists.fedoraproject.orgFEDORA-2021-d19172badbhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CIZIAJWGKI26DKDOGJS7J7CIQGHHMIHG/
- lists.fedoraproject.orgFEDORA-2021-6422a16aedhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MRXCW4BUGAJLGF6IWQWUZ2YBICMZCPK/
- www.debian.orgDSA-5032https://www.debian.org/security/2021/dsa-5032
07 Fixed in
Debian 12
- djvulibre Fixed in 3.5.27.1-12
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- djvulibre Fixed in 3.5.27.1-12
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- djvulibre Fixed in 3.5.27.1-12
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- djvulibre Fixed in 3.5.27.1-8ubuntu0.4
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+esm2Available 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.