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CVE-2018-1060
python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in pop3lib's apop() method.…
- 4.3MediumCVSS base score
- 5.0%Exploitation in 30 daysEPSS · top 7.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in pop3lib's apop() method. An attacker could use this flaw to cause denial of service.
Timeline
ID reserved
By redhat
- 7 months later
· 7 months later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 5.0% · top 7.6% of all CVEs (10 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
References
22
- DSA-4306 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 1042001 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- [debian-lts-announce] 20180926 [SECURITY] [DLA 1520-1] python3.4 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugs.python.org/issue32981 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3817-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:3505 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1060 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:3041 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-4307 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-3817-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [debian-lts-announce] 20180925 [SECURITY] [DLA 1519-1] python2.7 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2019-6e1938a3c5 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2019-cf725dd20b (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2019-51f1e08207 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- RHBA-2019:0327 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:1260 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03951en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2019:3725 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.oracle.com/security-alerts/cpujan2020.html (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2020:0086 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-11713 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-1060)Record last updated .