CVE-2022-43680A-255449293ASB-A-255449293
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in ou
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 10:2023-02-01, 11:2023-02-01, 12:2023-02-01, 12L:2023-02-01, 13:2023-02-01
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- platform/external/expatAndroid
From 10:0 · fixed in 10:2023-02-01
- platform/external/expatAndroid
From 11:0 · fixed in 11:2023-02-01
- platform/external/expatAndroid
From 12:0 · fixed in 12:2023-02-01
- platform/external/expatAndroid
From 12L:0 · fixed in 12L:2023-02-01
- platform/external/expatAndroid
From 13:0 · fixed in 13:2023-02-01
References 15
GitHub · libexpat/libexpat
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