CVE-2008-5907
The png_check_keyword function in pngwutil.c in libpng before 1.0.42, and 1.2.x before 1.2.34, might allow context-dependent attackers to set the value of an arbitrary memory location to zero via vectors involving creation of crafted PNG files with…
Does this matter?
Lower severity and a low EPSS score (2.56%). Track it; it rarely justifies an emergency change on its own.
Description
The png_check_keyword function in pngwutil.c in libpng before 1.0.42, and 1.2.x before 1.2.34, might allow context-dependent attackers to set the value of an arbitrary memory location to zero via vectors involving creation of crafted PNG files with keywords, related to an implicit cast of the '\0' character constant to a NULL pointer. NOTE: some sources incorrectly report this as a double free vulnerability.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 2.56% probability · 84th percentile
- CISA KEV
- Not listed
- Affected
- libpng/libpng · debian/debian linux
- Source
- cve@mitre.org
References
- http://libpng.sourceforge.net/index.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.htmlThird Party Advisory
- http://openwall.com/lists/oss-security/2009/01/09/1Mailing List, Third Party Advisory
- http://secunia.com/advisories/34320Third Party Advisory
- http://secunia.com/advisories/34388Third Party Advisory
- http://security.gentoo.org/glsa/glsa-200903-28.xmlThird Party Advisory
- http://sourceforge.net/mailarchive/forum.php?thread_name=4B6F0239C13D0245820603C036D180BC79FBAA%40CABOTUKEXCH01.cabot.local&forum_name=png-mng-implementThird Party Advisory
- http://www.debian.org/security/2009/dsa-1750Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:051Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48128Third Party Advisory, VDB Entry
- http://libpng.sourceforge.net/index.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.htmlThird Party Advisory
- http://openwall.com/lists/oss-security/2009/01/09/1Mailing List, Third Party Advisory
- http://secunia.com/advisories/34320Third Party Advisory
- http://secunia.com/advisories/34388Third Party Advisory
- http://security.gentoo.org/glsa/glsa-200903-28.xmlThird Party Advisory
- http://sourceforge.net/mailarchive/forum.php?thread_name=4B6F0239C13D0245820603C036D180BC79FBAA%40CABOTUKEXCH01.cabot.local&forum_name=png-mng-implementThird Party Advisory
- http://www.debian.org/security/2009/dsa-1750Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:051Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48128Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.