Re: [oss-security] CVE-2025-0395: Buffer overflow in the GNU C Library's assert()

2025-04-24 Thread Qualys Security Advisory
Hi Solar, all, Sorry for the late reply, and thank you very much for looking into this and for asking all the good questions! What follows is mainly based on scrappy notes from January, but hopefully it will still be useful. On Sun, Apr 13, 2025 at 03:11:48AM +0200, Solar Designer wrote: > On thi

Re: [oss-security] CVE-2025-0395: Buffer overflow in the GNU C Library's assert()

2025-04-12 Thread Solar Designer
Hi, I tried to come up with a better test case / regression test for this bug / fix (a self-contained C program without randomness), but unexpectedly ran into the bug manifesting itself differently, which may be relevant to its exploitability. I'll quote a little bit more context (than I usually

[oss-security] CVE-2025-0395: Buffer overflow in the GNU C Library's assert()

2025-01-22 Thread Qualys Security Advisory
Hi all, On January 10, 2025, we contacted the GNU C Library's security team about a buffer overflow that we discovered in assert()'s implementation (CVE-2025-0395). Because this vulnerability seems relatively minor (for reasons detailed below), it was decided that it could be discussed and patched