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GHSA-gm37-qx7w-p258

MediumCVSS 5.3 / 10
Published Feb 24, 2026·Last modified Mar 3, 2026
Affected Components(0)

No affected components available

Description

A memory leak in the ASHLAR image writer allows an attacker to exhaust process memory by providing a crafted image that results in small objects that are allocated but never freed.

==880062== Memcheck, a memory error detector
==880062== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==880062== Using Valgrind-3.18.1 and LibVEX; rerun with -h for copyright info
==880062== 
==880062== 
==880062== HEAP SUMMARY:
==880062==     in use at exit: 386,826 bytes in 696 blocks
==880062==   total heap usage: 30,523 allocs, 29,827 frees, 21,803,756 bytes allocated
==880062== 
==880062== LEAK SUMMARY:
==880062==    definitely lost: 3,408 bytes in 3 blocks
==880062==    indirectly lost: 88,885 bytes in 30 blocks
==880062==      possibly lost: 140,944 bytes in 383 blocks
==880062==    still reachable: 151,573 bytes in 259 blocks
==880062==         suppressed: 0 bytes in 0 blocks
==880062== Reachable blocks (those to which a pointer was found) are not shown.
==880062== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==880062== 
==880062== For lists of detected and suppressed errors, rerun with: -s
==880062== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)
Risk Scores
Base Score
5.3

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the availability of the system.

Threat Intelligence
4.9

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.38%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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