| Name | CVE-2020-23914 |
| Description | An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| retroarch (PTS) | buster | 1.7.3+dfsg1-1 | vulnerable |
| bullseye | 1.7.3+dfsg1-1.1 | vulnerable |
| bookworm | 1.14.0+dfsg-1 | vulnerable |
| trixie | 1.16.0.3+dfsg-1 | vulnerable |
| sid | 1.18.0+dfsg-1 | vulnerable |
| salmon (PTS) | buster | 0.12.0+ds1-1 | fixed |
| bullseye | 1.4.0+ds1-1 | fixed |
| bookworm | 1.10.1+ds1-1 | fixed |
| sid, trixie | 1.10.2+ds1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| retroarch | source | (unstable) | (unfixed) | unimportant | | |
| salmon | source | (unstable) | (not affected) | | | |
Notes
peglib.h is not compiled in Debian builds
- salmon <not-affected> (Vulnerable code never in a released Debian version)
Crash in CLI tool, no security impact
https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3
https://github.com/yhirose/cpp-peglib/issues/121