Squid: strHdrAcptLangGetItem() infinite CPU loop
Published Sep 30, 2013
7.8
HIGHCVSS 2.0
EPSS 18.31%
Description
The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a "," character in an Accept-Language header.
Affected products
No data.
- 3.2.0.1
- 3.2.0.2
- 3.2.0.3
- 3.2.0.4
- 3.2.0.5
- 3.2.0.6
- 3.2.0.7
- 3.2.0.8
- 3.2.0.9
- 3.2.0.10
- 3.2.0.11
- 3.2.0.12
- 3.2.0.13
- 3.2.0.14
- 3.2.0.15
- 3.2.0.16
- 3.2.0.17
- 3.2.0.18
- 3.2.0.19
- 3.2.1
- 3.2.2
- 3.2.3
- 3.2.4
- 3.2.5
- 3.2.6
- 3.2.7
- 3.2.8
- 3.3.0
- 3.3.0.2
- 3.3.0.3
- 3.3.1
- 3.3.2
No data.
Red Hat Enterprise Linux 5
squid
Not affected
Red Hat Enterprise Linux 6
squid
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | squid | Not affected | n/a |
| Red Hat Enterprise Linux 6 | squid | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 18.31% (0.18307) | 97.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 18.31% (0.18307) | 96.85th | v5 (v2026.06.15) |
| Feb 4, 2026 | 41.94% (0.41939) | 97.32th | v4 (v2025.03.14) |
| Mar 30, 2025 | 37.48% (0.37484) | 96.88th | v4 (v2025.03.14) |
| Mar 29, 2025 | 39.86% (0.39859) | 95.97th | v4 (v2025.03.14) |
| Mar 19, 2025 | 37.48% (0.37484) | 96.72th | v4 (v2025.03.14) |
| Mar 17, 2025 | 41.39% (0.41386) | 97.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 90.17% (0.90172) | 98.94th | v3 (v2023.03.01) |
| May 13, 2023 | 90.17% (0.90172) | 98.27th | v3 (v2023.03.01) |
| Mar 27, 2023 | 90.78% (0.90783) | 98.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 90.75% (0.90751) | 98.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (10)
- http://archives.neohapsis.com/archives/bugtraq/2013-03/0025.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2013-03/0069.html mailing-listx_refsource_BUGTRAQ
- http://secunia.com/advisories/52588 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openwall.com/lists/oss-security/2013/03/11/7 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/58316 vdb-entryx_refsource_BID
- http://www.squid-cache.org/Advisories/SQUID-2013_1.txt x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2013-1839 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=920421 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-1839
- https://www.cve.org/CVERecord?id=CVE-2013-1839
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2013-03/0025.html | mailing-listx_refsource_BUGTRAQ | |
| http://archives.neohapsis.com/archives/bugtraq/2013-03/0069.html | mailing-listx_refsource_BUGTRAQ | |
| http://secunia.com/advisories/52588 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.openwall.com/lists/oss-security/2013/03/11/7 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/58316 | vdb-entryx_refsource_BID | |
| http://www.squid-cache.org/Advisories/SQUID-2013_1.txt | x_refsource_CONFIRM | |
| https://access.redhat.com/security/cve/CVE-2013-1839 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=920421 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-1839 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-1839 |
Change history (0)
No recorded changes yet.