CVE-2011-1777 json
Multiple buffer overflows in the (1) heap_add_entry and (2) relocate_dir functions in archive_read_support_format_iso9660.c in libarchive t…
published 2012-04-13 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1775
- cvss
- 6.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.2%
- EPSS 4.2% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
Multiple buffer overflows in the (1) heap_add_entry and (2) relocate_dir functions in archive_read_support_format_iso9660.c in libarchive through 2.8.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted ISO9660 image.
Patch / fix
- libarchive Debian 14, Debian 13, Debian 12 2.8.5-5
debian advisories DEBIAN-CVE-2011-1777
- libarchive RHEL 6 2.8.3-3.el6_1
red hat advisories RHSA-2011:1507
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2011-1777 updated cvss 5.1
Libarchive multiple security issues
-
Red Hat Enterprise Linux Server (v. 6) libarchive 2.8.3-3.el6_1 Red Hat Enterprise Linux Server Optional (v. 6) libarchive 2.8.3-3.el6_1fixed: vendor fix RHSA-2011:1507
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
4.20% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
rhn.redhat.com
/errata/RHSA-2011-1507.html
vendor-advisory
-
debian.org
/security/2012/dsa-2413
vendor-advisory
-
lists.apple.com
/archives/security-announce/2012/May/msg00001.html
vendor-advisory
-
secunia.com
/advisories/48034
third-party-advisory
- bugzilla.redhat.com /show_bug.cgi?id=705849
- code.google.com /p/libarchive/source/detail?r=3158
- support.apple.com /kb/HT5281
Sources
- CVE List CVE-2011-1777
- NVD CVE-2011-1777
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.