CVE-2018-8098 — Vulnetix

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CVE-2018-8098 PUBLISHED

Integer overflow in the index.c:read_entry() function while decompressing a compressed prefix length in libgit2 before v0.26.2 allows an attacker to cause a denial of service (out-of-bounds read) via a crafted repository index file.

EPSS 0.74% · 72.8th percentile

Risk Scores

EPSS Score

0.74%

72.8th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:Pro:16.04:LTS	libgit2	0.24.1-2, 0.24.1-2ubuntu0.2+esm2, 0.24.1-2ubuntu0.2+esm1
Ubuntu:Pro:18.04:LTS	libgit2	0.26.0+dfsg.1-1.1ubuntu0.2+esm1, 0.25.1+really0.24.6-1, 0.26.0+dfsg.1-1.1
Ubuntu:Pro:14.04:LTS	libgit2	0.19.0-2ubuntu0.4+esm1, 0.19.0-2ubuntu0.4, 0.19.0-2

Timeline

Mar 14, 2018 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score
Mar 5, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2018-8098 third-party-advisory
https://github.com/libgit2/libgit2/commit/3207ddb0103543da8ad2139ec6539f590f9900c1 third-party-advisory
https://github.com/libgit2/libgit2/commit/3db1af1f370295ad5355b8f64b865a2a357bcac0 third-party-advisory
https://libgit2.github.com/security/ third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2018-8098 third-party-advisory

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