CVE-2020-11958

re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
VendorProductVersion
re2cre2c
1.3
canonicalubuntu_linux
19.10
canonicalubuntu_linux
20.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
re2c
bullseye
2.0.3-1
fixed
buster
not-affected
stretch
not-affected
jessie
not-affected
bookworm
3.0-2
fixed
sid
3.1-1
fixed
trixie
3.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
re2c
focal
Fixed 1.3-1ubuntu0.1
released
eoan
Fixed 1.2.1-1ubuntu0.1
released
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2020/04/21/1
https://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanner-cc/
https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776a
https://security.gentoo.org/glsa/202007-28
https://usn.ubuntu.com/4338-1/
https://usn.ubuntu.com/4338-2/
https://www.openwall.com/lists/oss-security/2020/04/19/1
http://www.openwall.com/lists/oss-security/2020/04/21/1
https://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanner-cc/
https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776a
https://security.gentoo.org/glsa/202007-28
https://usn.ubuntu.com/4338-1/
https://usn.ubuntu.com/4338-2/
https://www.openwall.com/lists/oss-security/2020/04/19/1