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DSA-5073-1
No affected components available
expat - security update
Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.
No exploitation activity has been observed at this time. Continue routine monitoring.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
- CVE-2021-45960
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
UpstreamEPSS 4.2% - CVE-2021-46143
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
UpstreamEPSS 3.8% - CVE-2022-22822
addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
UpstreamEPSS 4.8% - CVE-2022-22823
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
UpstreamEPSS 3.4% - CVE-2022-22824
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
UpstreamEPSS 3.4% - CVE-2022-22825
lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
UpstreamEPSS 2.6% - CVE-2022-22826
nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
UpstreamEPSS 2.8% - CVE-2022-22827
storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
UpstreamEPSS 2.8% - CVE-2022-23852
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
UpstreamEPSS 4.5% - CVE-2022-23990
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
UpstreamEPSS 4.0% - EUVD-2021-32666Upstream
- EUVD-2021-32843Upstream
- EUVD-2022-27960Upstream
- EUVD-2022-27961Upstream
- EUVD-2022-27962Upstream
- EUVD-2022-27963Upstream
- EUVD-2022-27964Upstream
- EUVD-2022-27965Upstream
- EUVD-2022-28778Upstream
- EUVD-2022-28905Upstream
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