CVE-2015-5522
Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows...
CVE-2015-5522 is a medium vulnerability (CVSS 6.8) in Htacg Tidy, published July 16, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.63%, the 91st percentile. Fixed in tidy 20091223cvs-1.2ubuntu1.1.
- Severity
- 6.8 MediumCVSS 2.0, NVD
- Exploit chance
- 4.63%EPSS, 91st percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
20091223cvs-1.2ubuntu1.1tidy +10 more
Description
Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving a command character in an href.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tidyDebian:6.0 From an advisory covering 2 CVEs | before 20091223cvs-1+deb6u1, plus listed versions 20091223cvs-1 | 20091223cvs-1+deb6u1 |
tidyDebian:7 From an advisory covering 2 CVEs | before 20091223cvs-1.2+deb7u1, plus listed versions 20091223cvs-1.2 | 20091223cvs-1.2+deb7u1 |
tidyDebian:8 From an advisory covering 2 CVEs | before 20091223cvs-1.4+deb8u1, plus listed versions 20091223cvs-1.4 | 20091223cvs-1.4+deb8u1 |
tidySUSE:Linux Enterprise Software Development Kit 12 From an advisory covering 2 CVEs | before 1.0.20100204cvs-25.3 | 1.0.20100204cvs-25.3 |
tidySUSE:Linux Enterprise Software Development Kit 11 SP3 From an advisory covering 2 CVEs | before 1.0-37.1 | 1.0-37.1 |
tidySUSE:Linux Enterprise Software Development Kit 11 SP4 From an advisory covering 2 CVEs | before 1.0-37.1 | 1.0-37.1 |
tidySUSE:Linux Enterprise Desktop 11 SP3 From an advisory covering 2 CVEs | before 1.0-37.1 | 1.0-37.1 |
tidySUSE:Linux Enterprise Desktop 11 SP4 From an advisory covering 2 CVEs | before 1.0-37.1 | 1.0-37.1 |
tidyUbuntu:14.04:LTS | before 20091223cvs-1.2ubuntu1.1, plus listed versions 20091223cvs-1.220091223cvs-1.2ubuntu1 | 20091223cvs-1.2ubuntu1.1 |
tidyUbuntu:14.04:LTS From an advisory covering 2 CVEs | before 20091223cvs-1.2ubuntu1.1, plus listed versions 20091223cvs-1.220091223cvs-1.2ubuntu1 | 20091223cvs-1.2ubuntu1.1 |
tidyopenSUSE:Tumbleweed From an advisory covering 3 CVEs | before 5.2.0-2.3 | 5.2.0-2.3 |
What each source reports
NVD Score used
Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving a command character in an href.
- Record
CVE-2015-5522- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE ListNo score
Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving a command character in an href.
- Record
CVE-2015-5522- Updated
- 2026-11-02
EUVDEUVD-2015-5477No score
Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving a command character in an href.
- Record
EUVD-2015-5477- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wp28-phrj-p6rhNo score
Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows...
Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving a command character in an href.
- Record
GHSA-wp28-phrj-p6rh- Weakness
- CWE-119
- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10210-1No score
libtidy-devel-5.2.0-2.3 on GA media
These are all security issues fixed in the libtidy-devel-5.2.0-2.3 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10210-1- Updated
- 2026-11-02
OSVSUSE-SU-2015:1513-1No score
Security update for tidy
This update fixes two heap-based buffer overflows in tidy/libtidy. These vulnerabilities could allow remote attackers to cause a denial of service (crash) via vectors involving a command character in an href. (CVE-2015-5522, CVE-2015-5523)
- Record
SUSE-SU-2015:1513-1- Updated
- 2026-11-02
OSVSUSE-SU-2015:1525-1No score
Security update for tidy
This update fixes two heap-based buffer overflows in tidy/libtidy. These vulnerabilities could allow remote attackers to cause a denial of service (crash) via vectors involving a command character in an href. (CVE-2015-5522, CVE-2015-5523)
- Record
SUSE-SU-2015:1525-1- Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-5522No score
Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving a command character in an href.
- Record
UBUNTU-CVE-2015-5522- Updated
- 2026-11-02
OSVUSN-2695-1No score
tidy vulnerabilities
Fernando Muñoz discovered that HTML Tidy incorrectly handled memory. If a user or automated system were tricked into processing specially crafted data, applications linked against HTML Tidy could be made to crash, leading to a denial of service, or possibly execute arbitrary code.
- Record
USN-2695-1- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
securitytracker.com/id/1033703
openwall.com/lists/oss-security/2015/07/13/7
support.apple.com/HT205212
lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
ubuntu.com/usn/USN-2695-1
Show 21 moreShow less
debian.org/security/2015/dsa-3309
github.com/htacg/tidy-html5/issues/217
securityfocus.com/bid/75037
nvd.nist.gov/vuln/detail/CVE-2015-5522
suse.com/support/update/announcement/2015/suse-su-20151513-1
bugzilla.suse.com/903962
ubuntu.com/security/CVE-2015-5522
cve.org/CVERecord?id=CVE-2015-5522