CVE-2026-102010

Name	CVE-2026-102010
Description	A flaw was found in GCC. When an application calls the erase_if function on a binary heap priority queue in libstdc++, the library reallocates storage but fails to update its internal entry pointer. An attacker capable of triggering this operation can exploit this use-after-free condition, leading to a Denial of Service (DoS) via an application crash or potential memory corruption.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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
gcc-12 (PTS)	bookworm	12.2.0-14+deb12u1	vulnerable
	trixie	12.4.0-5	vulnerable
	forky, sid	12.5.0-9	vulnerable
gcc-14 (PTS)	trixie	14.2.0-19	vulnerable
	forky, sid	14.4.0-2	vulnerable
gcc-15 (PTS)	forky, sid	15.3.0-4	vulnerable
gcc-16 (PTS)	forky, sid	16.2.0-3	vulnerable

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

Package	Type	Release	Fixed Version
gcc-12	source	(unstable)	(unfixed)
gcc-14	source	(unstable)	(unfixed)
gcc-15	source	(unstable)	(unfixed)
gcc-16	source	(unstable)	(unfixed)

https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=aaa8351f4d2e636f9680a1f0a8ebc2f0a60611e6
https://bugzilla.redhat.com/show_bug.cgi?id=2478395