Description
Memory leak in the png_handle_tEXt function in pngrutil.c in libpng before 1.2.33 rc02 and 1.4.0 beta36 allows context-dependent attackers to cause a denial of service (memory exhaustion) via a crafted PNG file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 5.0 | libpng | 1.2.27-2+lenny2 | DSA-1750-1 |
| Debian 4.0 | libpng | 1.2.15~beta5-1+etch2 | DSA-1750-1 |
Advisories 1
- DSA-1750-1 libpng - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- libpng-pnghandletext-dos(46115) vdb-entry
- GLSA-200903-28 vendor-advisory
- MDVSA-2010:133 vendor-advisory
- ADV-2008-2917 vdb-entry
- 31920 vdb-entry
- ADV-2010-1837 vdb-entry
- 34388 third-party-advisory
- 32418 third-party-advisory
- http://sourceforge.net/project/shownotes.php?release_id=635463&group_id=5624
- 34265 third-party-advisory
- http://sourceforge.net/project/shownotes.php?release_id=635837
- http://wiki.rpath.com/Advisories:rPSA-2009-0046
- 1021104 vdb-entry
- DSA-1750 vendor-advisory
- 20090312 rPSA-2009-0046-1 libpng mailing-list
- 34320 third-party-advisory