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Package "gcc-12"

Name: gcc-12

Description:

GNU C compiler
Latest version: 12.3.0-1ubuntu1~22.04.2
Release: jammy (22.04)
Level: updates
Repository: main
Homepage: http://gcc.gnu.org/

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Other versions of "gcc-12" in Jammy

Repository Area Version
base universe 12-20220319-1ubuntu1
security universe 12.3.0-1ubuntu1~22.04.2
security main 12.3.0-1ubuntu1~22.04.2
updates universe 12.3.0-1ubuntu1~22.04.2

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Changelog

Version: 12.3.0-1ubuntu1~22.04.2 2025-08-19 21:07:00 UTC

  gcc-12 (12.3.0-1ubuntu1~22.04.2) jammy-security; urgency=medium

  * SECURITY UPDATE: A missed hardening option in -fstack-protector for AArch64
    can lead to buffer overflows for dynamically allocated local variables
    not being detected. (LP: #2054343)
    - d/p/CVE-2023-4039.diff: Address stack protector and stack clash
      protection weaknesses on AArch64. Taken from the gcc-12 branch.
    - CVE-2023-4039
  * Move allocator base to avoid conflict with high-entropy ASLR for x86-64
    Linux. Patch taken from LLVM. Fixes ftbfs. (LP: #2107313)
    - d/p/lp2107313-asan-allocator-base.diff
  * aarch64: Fix loose ldpstp check. (LP: #2116909)
    - d/p/lp2116909-aarch64-fix-loose-ldpstp-check.diff

 -- Gerald Yang <email address hidden> Tue, 15 Jul 2025 03:45:40 +0000
Source diff to previous version
2107313 fix amd build issue on the newer kernel with higher entropy
2116909 aarch64: Fix loose ldpstp check
CVE-2023-4039 **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker to exploit an existing buffer

Version: 12.3.0-1ubuntu1~22.04 2023-07-31 15:07:39 UTC

  gcc-12 (12.3.0-1ubuntu1~22.04) jammy-proposed; urgency=medium

  * SRU: LP: #1995499: Backport GCC 12.3.0 to Ubuntu 22.04 LTS.
Source diff to previous version

Version: 12.1.0-2ubuntu1~22.04 2022-09-15 19:07:24 UTC

  gcc-12 (12.1.0-2ubuntu1~22.04) jammy-proposed; urgency=medium

  * SRU: LP: #1970233. Backport GCC 12.1.0 to 22.04 LTS.


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