CVE-2012-4025

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-19 · updated 2026-06-16
Weakness: CWE-190

Description

Integer overflow in the queue_init function in unsquashfs.c in unsquashfs in Squashfs 4.2 and earlier allows remote attackers to execute arbitrary code via a crafted block_log field in the superblock of a .sqsh file, leading to a heap-based buffer overflow.

Affected products

Squashfs Project Squashfs: through 4.2

References

http://sourceforge.net/mailarchive/forum.php?thread_name=CAAoG81HL9oP8roPLLhftTSXTzSD%2BZcR66PRkVU%3Df76W3Mjde_w%40mail.gmail.com&forum_name=squashfs-devel
http://www.mandriva.com/security/advisories?name=MDVSA-2013:128
http://www.openwall.com/lists/oss-security/2012/07/19/6
http://www.osvdb.org/83899
http://www.securityfocus.com/bid/54610
https://security.gentoo.org/glsa/201612-40
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0001
http://sourceforge.net/mailarchive/forum.php?thread_name=CAAoG81HL9oP8roPLLhftTSXTzSD%2BZcR66PRkVU%3Df76W3Mjde_w%40mail.gmail.com&forum_name=squashfs-devel
http://www.mandriva.com/security/advisories?name=MDVSA-2013:128
http://www.openwall.com/lists/oss-security/2012/07/19/6
http://www.osvdb.org/83899
http://www.securityfocus.com/bid/54610

Get alerted when CVE-2012-4025 or the next vulnerability affects your stack