CVE-2021-42260
TinyXML through 2.6.2 has an infinite loop in TiXmlParsingData::Stamp in tinyxmlparser.cpp via the TIXML_UTF_LEAD_0 case. It can be triggered by a crafted XML message and leads to a denial of service.
02 Description
TinyXML through 2.6.2 has an infinite loop in TiXmlParsingData::Stamp in tinyxmlparser.cpp via the TIXML_UTF_LEAD_0 case. It can be triggered by a crafted XML message and leads to a denial of service.
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
- 3.37% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.6% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
- 2021-10-11 00:00Z5 YR AGO
- Last updated
- 2025-11-04 18:14Z11 MO AGO
- Reserved
- 2021-10-11
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base
- Data version
- 5.2
- Document digest
- 79c0c6bd05a2172aca795a8c1297ad1ec7b4bdca721e2e188605def28cd0aa66
05 Affected products
06 References
- sourceforge.nethttps://sourceforge.net/p/tinyxml/bugs/141/
- lists.debian.org[debian-lts-announce] 20220430 [SECURITY] [DLA 2988-1] tinyxml security updatehttps://lists.debian.org/debian-lts-announce/2022/04/msg00019.html
- lists.debian.org[debian-lts-announce] 20220930 [SECURITY] [DLA 3130-1] tinyxml security updatehttps://lists.debian.org/debian-lts-announce/2022/09/msg00041.html
- lists.fedoraproject.orgFEDORA-2024-80e6578a01https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4QCR5PIOBGDIDS6SYRESTMDJSEDFSCOE/
- lists.fedoraproject.orgFEDORA-2024-c9dc0ac419https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOMBSHRIW5Q34SQSXYURYAOYDZD2NQF6/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HOMBSHRIW5Q34SQSXYURYAOYDZD2NQF6/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4QCR5PIOBGDIDS6SYRESTMDJSEDFSCOE/
07 Fixed in
Debian 12
- tinyxml Fixed in 2.6.2-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- tinyxml Fixed in 2.6.2-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- tinyxml Fixed in 2.6.2-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- tinyxml Fixed in 2.6.2-4+deb10u1build0.20.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- tinyxml Fixed in 2.6.2-3ubuntu0.1~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.
Ubuntu Pro 18.04 LTS
- tinyxml Fixed in 2.6.2-4ubuntu0.18.04.1~esm1Available with Ubuntu Pro: 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.