CVE-2022-41715

NameCVE-2022-41715
DescriptionPrograms which compile regular expressions from untrusted sources may be vulnerable to memory exhaustion or denial of service. The parsed regexp representation is linear in the size of the input, but in some cases the constant factor can be as high as 40,000, making relatively small regexps consume much larger amounts of memory. After fix, each regexp being parsed is limited to a 256 MB memory footprint. Regular expressions whose representation would use more space than that are rejected. Normal use of regular expressions is unaffected.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
golang-1.11 (PTS)buster, buster (security)1.11.6-1+deb10u4vulnerable
golang-1.15 (PTS)bullseye1.15.15-1~deb11u4vulnerable
golang-1.18 (PTS)bookworm, sid1.18.8-1fixed
golang-1.19 (PTS)bookworm, sid1.19.3-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
golang-1.11source(unstable)(unfixed)
golang-1.15source(unstable)(unfixed)
golang-1.17source(unstable)(unfixed)
golang-1.18source(unstable)1.18.7-1
golang-1.19source(unstable)1.19.2-1

Notes

[buster] - golang-1.11 <postponed> (Limited support, follow bullseye DSAs/point-releases)
https://go.dev/issue/55949
https://github.com/golang/go/commit/645abfe529dc325e16daa17210640c2907d1c17a (go1.19.2)
https://github.com/golang/go/commit/e9017c2416ad0ef642f5e0c2eab2dbf3cba4d997 (go1.18.7)

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